Sets of machines for mineral-asphalt mixtures production class I
Study mode
Question of 218
1. At what distance measured horizontally from the outermost conductors for power lines with a rated voltage not exceeding 1 [kV] is the operation of a machine or technical device permissible?
a) not less than 2 [m],b) not less than 5 [m],
c) not less than 3 [m].
2. At what distance measured horizontally from the outermost conductors for power lines with a rated voltage above 1 [kV] but not exceeding 15 [kV] is the operation of a machine or technical device permissible?
a) not less than 15 [m],b) not less than 10 [m],
c) not less than 5 [m].
3. At what distance measured horizontally from the outermost conductors for power lines with a rated voltage above 15 [kV] but not exceeding 30 [kV] is the operation of a machine or technical device permissible?
a) not less than 15 [m],b) not less than 5 [m],
c) not less than 10 [m].
4. At what distance measured horizontally from the outermost conductors for power lines with a rated voltage above 30 [kV] but not exceeding 110 [kV] is the operation of a machine or technical device permissible?
a) not less than 10 [m],b) not less than 20 [m],
c) not less than 15 [m]. Asphalt-mineral mixture production machine sets Class I
5. At what distance measured horizontally from the outermost conductors for power lines with a rated voltage above 110 [kV] is the operation of a machine or technical device permissible?
a) not less than 15 [m],
b) not less than 30 [m],
c) not less than 10 [m].6. Can workstations be organized in the danger zone under overhead power lines?
a) yes, but only after meeting additional requirements,
b) yes, always,c) no, never.
7. What is the safe distance X for working with a machine or technical device near overhead power lines with a rated voltage of 400 [V]?
a) not less than 5 [m],b) not less than 30 [m],
c) not less than 3 [m].
8. What is the safe distance X for working with a machine or technical device near overhead power lines with a rated voltage above 1 [kV] but not exceeding 15 [kV]?
a) not less than 5 [m],
b) not less than 10 [m],c) not less than 15 [m].9. What is the safe distance X for working with a machine or technical device near overhead power lines with a rated voltage of 20 [kV]?
a) not less than 15 [m],b) not less than 30 [m],
c) not less than 10 [m].
10. What is the safe distance X for working with a machine or technical device near overhead power lines with a rated voltage of 20 [kV]?
a) not less than 10 [m],
b) not less than 15 [m],c) not less than 5 [m].11. What is the safe distance X for working with a machine or technical device near overhead power lines with a rated voltage above 30 [kV] but not exceeding 110 [kV]?
a) not less than 50 [m],b) not less than 30 [m],
c) not less than 15 [m].
12. What is the safe distance X for working with a machine or technical device near overhead power lines with a rated voltage above 15 [kV] but not exceeding 30 [kV]?
a) not less than 30 [m],
b) not less than 10 [m],
c) not less than 15 [m].13. What is the safe distance X for working with a machine or technical device near overhead power lines with a rated voltage of 400 [kV]?
a) not less than 30 [m],
b) not less than 40 [m],c) not less than 3 [m].14. Work in the danger zone area (overhead high voltage power line):
a) under no circumstances can be carried out under electrical lines in the danger zone,b) can be carried out provided that permission has been granted by the work manager,
c) can be carried out provided that the line is disconnected from voltage, the work is performed in a zone limited by groundings, and at least one grounding is visible from the work location.
15. The operator must perform work at a distance X from an active overhead power line with a rated voltage of 400 [V]. He can start work if this distance is:
a) 5 [m],
b) 2 [m],c) 1 [m].16. The operator must perform work at a distance X from an active overhead power line with a rated voltage of 20 [kV]. He can start work if this distance is:
a) 5 [m],b) 3 [m],
c) 15 [m].
17. The operator must perform work at a distance X from an active overhead power line with a rated voltage of 400 [kV]. He can start work if this distance is:
a) 15 [m],b) 5 [m],
c) 50 [m].
18. If the injured person has a detectable pulse but is not breathing, then:
a) the airways should be cleared and artificial respiration started,
b) he should not be touched,c) chest compressions should be performed.19. When providing first aid to victims of an accident, it is essential to:
a) provide assistance to those in life-threatening situations,
b) move away from the accident scene to call a doctor,c) give medication to the injured.20. When providing first aid to victims of an accident, it is essential to:
a) move away from the accident scene to call a doctor,
b) ensure your own safety,
c) provide assistance to those in life-threatening situations.21. The obligation to provide first aid to accident victims rests with:
a) only those who have medical training,
b) everyone, as part of the rescue tasks can always be performed,
c) everyone, but criminal liability always threatens for mistakes made.22. The accident victim regained consciousness after a few minutes and wants to go home. In this situation, one should:
a) persuade her to stay and call for medical help,
b) allow her to go home, recommending a visit to the doctor,c) give her something to drink and painkillers.23. First aid in a situation where a foreign body has entered the eye of the injured person consists of:
a) rinsing with clean water directing the stream from the nose outward from the eye,
b) rinsing with distilled water directing the stream into the eye,c) rinsing the eye with eye drops.24. The injured person cut their leg on an unsecured sharp element. Providing first aid in this situation is:
a) using sterile gauze, wrapping the wound with a bandage,
b) using a tourniquet,c) sticking a plaster directly on the wound.25. Suspecting spinal injury in a person who has fallen from a height and is conscious, one should:
a) lay her in a stable side position,b) sit her in a semi-reclining position,
c) not move her and wait for medical services to arrive.
26. To move away from the place where the electric wire was interrupted and the area is under voltage, you should:
a) slowly step away from this place, taking small steps, trying to maintain continuous contact of your feet with the ground,
b) quickly step away from the source of electric shock, lifting your feet high,c) run as fast as possible to a place that we assess as safe.27. First aid in the case of a first-degree burn is:
a) applying ointment to the burned area,b) applying greasy cream to the burned area,
c) pouring cold water on the burned area.
28. During work, a high voltage power line was torn down, as a result of which a colleague was electrocuted. In this situation, the correct behavior is:
a) approach the injured person to provide first aid,
b) turn off the power source as quickly as possible,
c) call other colleagues for help with the injured person.29. We perform cardiopulmonary resuscitation until:
a) the fire brigade arrives and secures the area,
b) we have determined that the victim has started to breathe and circulation has returned,
c) 10 minutes have passed.30. Immediate action in the case of severe bleeding from an injured upper limb includes:
a) applying a dressing, directly compressing the bleeding site, and elevating the limb,
b) lowering the limb below heart level,c) disinfecting the wound with salicylic alcohol.31. In case of a nosebleed, one should:
a) lay the injured person on their back,b) tilt the head back and place a cold compress on the neck,
c) lean the bleeding person's head forward and pinch the nostrils.
32. The first step in dealing with a victim of carbon monoxide poisoning in a closed room is:
a) the quickest possible evacuation of the injured person from that room,
b) conducting a preliminary examination,c) assessing ABC.33. First aid during seizures caused by an epileptic attack consists of:
a) seating the injured person in a semi-sitting position and giving them something to drink,b) placing a wooden object in the injured person's mouth to prevent biting their tongue,
c) protecting the injured person's head from injuries.
34. In case of suspected cervical spine injury in a conscious person, one should:
a) seat the injured person in a chair with a high back,
b) not allow the injured person to move their head,
c) place the injured person in a lateral position.35. The most important thing when a person is buried under earth, sand, or gravel is:
a) waiting for the arrival of the ambulance,
b) locating the injured person,
c) notifying the family.36. First aid for a person with a metal rod embedded in their calf involves calling for help and:
a) securing the rod to prevent movement,
b) moving the rod to check if the artery has been damaged,c) removing the embedded rod.37. The indication for using an AED defibrillator is:
a) absence of detectable breathing and pulse in the victim,
b) severe dizziness,c) severe chest pain.38. During the operation of a machine/technical device for which you are taking the exam, prohibited actions include:
a) changing the working tool,b) performing daily technical service (OTC),
c) making structural changes to the machine/technical device.
39. During the operation of a machine/technical device for which you are taking the exam, prohibited actions include:
a) cleaning the machine/technical device using gasoline or solvents whose vapors can create flammable/explosive gas mixtures with air,
b) refueling the machine/technical device from a canister,c) cleaning the machine/technical device using a product in accordance with the operating and maintenance instructions.40. Mandatory equipment for a set of machines for producing mineral-asphalt mixtures includes:
a) shock protection installation,
b) marked danger zone at a distance of 10 meters from the set,c) warning lamp (orange light).41. The mandatory equipment of the machine set for the production of mineral-asphalt mixtures is:
a) warning light (orange light),
b) dust removal device,
c) marked danger zone at a distance of 8 meters from the set.42. The machine/technical device on which you are taking the exam can only be operated by:
a) a person with written confirmation of course completion in the form of a plastic card,b) any adult person with technical education and a driving license of the appropriate category,
c) a person who has completed training and obtained a positive result in the test conducted by the commission appointed by the Łukasiewicz Research Network – Warsaw Institute of Technology.
43. The rights to operate machines/technical devices on which you are taking the exam are issued by:
a) the County Office appropriate for the residence address of the person applying for the rights,
b) the Łukasiewicz Research Network - Warsaw Institute of Technology (SBŁ - WIT),
c) the Office of Technical Inspection (UDT).44. The rights to operate machines/technical devices on which you are taking the exam:
a) are valid indefinitely,
b) are valid for 5 years from the date of issue,c) are valid for 10 years from the date of issue.45. A person holding the rights to operate: "Machine sets for the production of mineral-asphalt mixtures class I" can operate based on them:
a) only machine sets for the production of mineral-asphalt mixtures,
b) machine sets for the production of mineral-asphalt mixtures and machine sets for the production of concrete mixtures,c) machine sets for the production of mineral-asphalt mixtures and machines for laying mineral-asphalt mixtures.46. The employee operating the machine/technical device for which you are taking the exam may start work provided that:
a) has the qualifications to operate this type of machine/technical device,
b) the machine/technical device has a valid UDT inspection,c) has a valid category D driving license.47. In the event of a threat to life, health, property, or the environment caused by a malfunction of the machine/technical device, the operator:
a) continues working but informs the supervisor about the situation at the end of the shift,
b) immediately stops work and informs the supervisor of this fact,
c) continues working but makes an appropriate entry in the maintenance book at the end of the shift.48. Lifting and transporting people using working equipment:
a) requires the consent of the construction manager,b) is possible, but only outside the public road area,
c) is always prohibited.
49. The employee operating the machine/technical device for which you are taking the exam has the right to refuse to start work when:
a) has the required personal protective equipment,b) there is an overhead power line with a rated voltage of 110 [kV] located 35 meters away,
c) this work requires special psychophysical fitness, and his psychophysical condition does not ensure its safe performance and poses a threat to others.
50. The employee operating the machine/technical device for which you are taking the exam is obliged to stop work when:
a) the work he is performing poses an immediate threat to the health or life of others,
b) has the required personal protective equipment,c) there is an overhead power line located 35 meters away.51. The employee operating the machine/technical device for which you are taking the exam is required to:
a) always have a category B driving license,b) independently perform all current repairs of the machine/technical device,
c) comply with the provisions of the operating and maintenance instructions for the machine/technical device.
52. The person directly responsible for the safe operation of the machine for which you are taking the exam is:
a) the construction manager,b) the owner of the machine,
c) the machine operator.
53. The operator's book and qualifications for the machine/technical device for which you are taking the exam are issued by:
a) Łukasiewicz Research Network - Warsaw Institute of Technology,
b) Transport Technical Supervision (TDT),c) Technical Supervision Office (UDT).54. The obligation to use personal protective equipment:
a) arises from the operating and maintenance instructions and health and safety regulations,
b) arises only from internal regulations,c) does not apply on hot days.55. An employee who witnesses an accident at work:
a) only needs to inform their supervisor,b) is obliged to assist the victims and then immediately leave the accident site,
c) is obliged to assist the victims, inform their supervisor, and if necessary secure the accident site.
56. The danger zone is defined as:
a) a place where work requiring specialized equipment is carried out, and people are allowed to be there only at night,
b) a place where there are threats to the health and life of people,
c) a place where employees must only wear protective helmets.57. The area that the operator should check and secure before starting work with a machine/technical device (because there are threats to the health and life of people) is called:
a) dead zone,
b) danger zone,
c) high-risk zone.58. Firefighting foam can be used to extinguish fires of group:
a) A and B,
b) C and D,c) only C.59. Improper use of a snow extinguisher can result in:
a) fainting,b) burns from the extinguisher components,
c) frostbite caused by the extinguishing agent.
60. Water, fire blanket, powder extinguisher, carbon dioxide, sand are extinguishing agents that we will use to extinguish:
a) solid bodies,
b) oils,c) liquids.61. We can call sorbents:
a) materials made of natural or synthetic substances that absorb liquids,
b) fire blankets,c) petroleum-derived substances.62. Group A fires concern:
a) solid bodies, whose normal combustion occurs with the formation of glowing coals, e.g. wood, paper, etc.,
b) flammable liquids,c) flammable gases.63. Group B fires concern:
a) metals, e.g. magnesium, sodium, potassium, aluminum, titanium, etc.,b) flammable gases,
c) liquids and solid materials that melt, e.g. plastics, fuels, oils, etc..
64. Group C fires concern:
a) solid bodies,
b) gases, e.g. methane, propane, acetylene, hydrogen,
c) flammable liquids.
65. Seeing such a pictogram you are informed about:
a) a larger number of people in a given area,
b) the assembly point during evacuation,
c) the danger zone.
66. During work, you noticed a sign marked "Zone 0". It informs about:
a) a zone of a specific fire hazard category,b) a zone of existing fire load in the building,
c) a space where an explosive atmosphere exists.
67. The presented pictogram informs about:
a) an internal hydrant,
b) a set of fire protection equipment,
c) the main power switch.
68. Seeing such a pictogram, you are informed about:
a) an emergency exit,
b) a gathering place during evacuation,c) a first aid station.
69. Seeing such a pictogram, you are informed about:
a) a ban on using the fire extinguisher,b) a high temperature affecting the fire extinguisher,
c) the location of the fire extinguisher.
70. You see a person whose clothing is on fire and who, in panic, is running away. Your reaction is:
a) you tell him to wait in an upright position for the arrival of rescue services,
b) you try to stop him, lay him down, and start extinguishing,
c) you wave your arms or outer covering strongly next to him to extinguish the burning clothing.71. Electrical devices and installations can be extinguished using:
a) foam extinguishers,
b) powder or snow extinguishers,
c) water.72. Burning fuel can be extinguished using:
a) low-octane ethylene,b) water,
c) powder, foam or snow extinguishers.
73. Clothing on a person that is burning can be extinguished using:
a) water mist extinguisher or fire blanket,
b) snow or powder extinguisher,c) plastic material.74. What obligations does an employee have when they decide to refrain from work due to health and safety regulations?
a) They should organize work for others,
b) They must immediately inform their supervisor,
c) They have no obligations in this situation.75. How can an operator prevent hazards in the workplace?
a) By ignoring health and safety rules,b) By not reporting faults in machines,
c) By using personal protective equipment to minimize risk.
76. It is not permissible to position the workplace directly under active overhead power lines or at a horizontal distance from the outermost wires of less than:
a) for lines: 1 [kV] - 3 [m], 15 [kV] - 5 [m], 30 [kV] - 10 [m], 110 [kV] - 15 [m], 400 [kV] - 30 [m],
b) for all voltages - 1 [m] from the power line,c) for lines: 1 [kV] - 1 [m], 15 [kV] - 3 [m], 30 [kV] - 5 [m], 110 [kV] - 10 [m].77. How does the operator know what personal protective equipment is required for a given machine/technical device?
a) The operator must independently choose the appropriate protective measures,
b) Information about the necessary personal protective equipment is included in the operating and maintenance manual of the machine,
c) The choice of personal protective equipment depends on the opinion of colleagues at work.78. The operator should refuse to perform a task when:
a) the work requires familiarization with the location of underground and above-ground utilities,
b) the work is inconsistent with the intended use of the machine/technical device,
c) the work is being performed at night.79. The operator can prevent hazards during the operation of the machine/technical device by:
a) following health and safety rules and adhering to the operating instructions,
b) limiting the use of personal protective equipment,c) inattention and routine.80. Which of the situations listed is unacceptable during the use of the machine/technical device?
a) Reporting faults directly to the supervisor,b) Operating the machine without supervision,
c) Unauthorized persons being in the danger zone caused by the operation of the machine/technical device.
81. An accident at work is considered:
a) a long-term event related to the work performed, caused by an internal reason, resulting in equipment damage,b) a sudden event not related to the work performed, caused by an external reason, resulting in injury or death,
c) a sudden event related to the work performed, caused by an external reason, resulting in injury or death.
82. A fatal accident at work is considered to be an accident in which death occurred:
a) more than 6 months after the date of the accident,
b) within 6 months from the date of the accident,
c) only at the moment of the accident.83. How can the operator prevent hazards associated with the operation of machines for producing mineral-asphalt mixtures?
a) By regularly checking the technical condition of the machines, maintaining cleanliness at the workplace, and using personal protective equipment,
b) By ignoring the operating instructions to speed up the production process,c) By increasing the number of machine operating cycles and reducing maintenance time.84. Additional personal protective equipment required during the unloading of asphalt includes:
a) a protective helmet with a face and neck shield and gloves resistant to high temperatures,
b) a black protective helmet, a mesh face shield, and rubber footwear,c) a protective helmet with hearing protectors and cut-resistant gloves.85. Health and safety regulations require:
a) securing the working machine during breaks in its operation against accidental start-up by unauthorized persons,
b) performing a warranty inspection of the working machine within a year of its purchase,c) scrapping the old working machine within the time specified in its operating and maintenance instructions, while complying with hazardous material disposal requirements.86. Which of the following rules concern safety at work in the area of the machine set for the production of mineral-asphalt mixtures?
a) Unemployed persons may be present in the area of the machine set for the production of mineral-asphalt mixtures, provided they are under the supervision of an employee,
b) control devices must be secured against access by unauthorized persons, and fire-fighting equipment, including a fire extinguisher, must be located in the control cabin,
c) makeshift repairs, such as putting in wire fuses, are allowed, but only in emergency situations.87. In the event of a person being electrocuted:
a) resuscitation should be started immediately, regardless of whether the power source has been disconnected,
b) it is forbidden to touch the injured person until the power source is disconnected,
c) it is recommended to use any tools to disconnect the power, regardless of their actual purpose.88. Seeing a person whose clothes are on fire, the first thing to do is:
a) leave the injured person standing to facilitate air access and extinguish the flames faster,b) use a fire extinguisher, preferably a snow extinguisher, to extinguish the burning clothing, and then try to quickly tear off the melted clothing,
c) cut off the air supply by rolling the injured person or wrapping them in a fire blanket, wet clothing, or a wet blanket.
89. Cardiopulmonary resuscitation (CPR) is performed:
a) when the injured person is not breathing and there is no detectable pulse. For a person who is not a professional rescuer, the absence of breathing is a sufficient basis to start resuscitation,
b) only in the case of fainting and minor injuries, to improve blood circulation,c) when the injured person is breathing but is unconscious and unresponsive.90. An employee has the right to refrain from performing work due to health and safety regulations, notifying their supervisor immediately if:
a) the work they are performing has not been reported to the construction supervision,
b) the working conditions pose an immediate threat to health or life,
c) the working conditions do not pose a threat but are too difficult for them.91. Physical factors generating hazards in the workplace are:
a) spilled lubricants, oils, and fuels,
b) lack of or improper training of employees,c) lack of appropriate medical examinations of the employee.92. Working with a machine/technical device is not allowed when:
a) its repair was carried out after dark,b) the second operator did not report an upcoming inspection,
c) it is malfunctioning.
93. Working near overhead power lines:
a) always requires de-energizing the line,
b) is possible without meeting additional requirements provided that specific distances depending on the rated voltage of the line are maintained,
c) always requires double grounding of the line.94. The operator is obliged to refuse to work if:
a) there is no site manager or any other person authorized to supervise at the work site,b) they would have to work under power lines, and the voltage in them has been turned off and the line grounded,
c) the working machine is malfunctioning.
95. The danger zone from a machine/technical device is:
a) always the entire fenced construction site,
b) a place where there are hazards to health or life of people,
c) a place where the machine/technical device cannot be used.96. Accidents at work resulting from the poor technical condition of the working machine may include, for example:
a) failure of the drive system,b) damage to the equipment,
c) injury to a limb, torso, or head.
97. Unacceptable behaviors include:
a) operating a faulty machine and working under the influence of alcohol,
b) working after dark in a well-lit place, with full concentration of the operator,c) performing daily maintenance of the machine after dark.98. The basic hazards that may occur in the workplace of a set of machines for the production of mineral-asphalt mixtures are:
a) sharp and moving parts of machines, spilled greases or oils, chemically active materials, and hot machine components,
b) performing daily maintenance of the machine after dark,c) too few workers operating the machines.99. Prohibited activities during the operation of a set of machines for the production of mineral-asphalt mixtures include:
a) operating machines only by persons with appropriate qualifications,b) carrying out repairs after work is completed,
c) operating technically faulty machines and allowing unauthorized persons in the danger zone.
100. Prohibited activities during the operation of a set of machines for the production of mineral-asphalt mixtures include:
a) reporting noticed defects to the supervisor before starting work,b) operating machines by persons with appropriate qualifications,
c) operating machines by unqualified persons.
101. The basic safety rules for operating a machine set for the production of mineral-asphalt mixtures can be defined as:
a) the operator must have the appropriate qualifications, be sober, rested, dressed in work clothes and a safety helmet, and also check the technical condition of the node before starting work,
b) the operator is obliged to perform independent repairs of the set in case of minor faults,c) the operator only needs to ensure the cleanliness of the workplace, while the technical condition of the machines is checked by the maintenance department.102. The personal protective equipment that the operator of the machine set for the production of mineral-asphalt mixtures should use during the production process and while moving around this set is:
a) loose work clothes, comfortable shoes (e.g. high sports shoes) and cut-resistant gloves,b) only safety glasses and work gloves, as other means are optional,
c) Safety helmet, protective gloves, safety glasses, hearing protectors, work clothes, work shoes.
103. The basic duties of an employee in terms of occupational health and safety are:
a) not being late for work, finishing it on time, confirming presence at work in a manner accepted by the employer,b) enforcing the provisions of the labor code regarding their rights, including payment for overtime worked,
c) complying with health and safety regulations and rules, taking care of the condition of machines and tools, maintaining order in the workplace, and using personal protective equipment.
104. General health and safety rules for operating a machine set for the production of mineral-asphalt mixtures are:
a) all repairs of the set's devices can be performed while the device is working, provided that permission is obtained from the supervisor,
b) the set can only be operated by qualified employees, and all repairs must be performed after disconnecting the power supply and compressed air,
c) the set can be operated without formal operator qualifications, as long as the employee knows the principles of its operation well.105. In the case of a person electrocuted, after disconnecting the power source, one should:
a) move the injured person to another place as quickly as possible,
b) check the condition of the injured person, and if necessary: call for help, clear the airways, perform resuscitation, and use an AED if available,
c) leave the injured person alone if they have regained consciousness, without further actions.106. After extinguishing flames on a person with burns and calling for help, you should:
a) cool the burned areas with cold water for 10-20 minutes, previously removing any melted clothing,
b) cool the burned areas with cold water for 10-20 minutes, without removing any melted clothing,
c) use a snow extinguisher to cool the burn area.
107. Seeing such a pictogram, you are informed about:
a) a place to perform AED,b) a place where a first aid kit is available,
c) a place where an external automatic defibrillator is available.
108. Properly performed cardiopulmonary resuscitation (CPR) consists of:
a) clearing the airways, then compressing the chest at a rate of 100-120 times per minute to a depth of 5–6 [cm] and performing 2 rescue breaths after every 30 compressions (breaths are not mandatory),
b) connecting the external automatic defibrillator (AED) and following its instructions; CPR is not performed without AED,c) clearing the airways, then compressing the chest at a rate of 30-60 times per minute to a depth of 1–3 [cm] and performing 2 rescue breaths after every 15 compressions (breaths are mandatory).109. The BIOZ plan means:
a) Safety and Resource Specification Plan,
b) Safety and Health Protection Plan,
c) Safe Health Protection Instruction Plan.110. Preparing the area of the mixture production plant for customer service involves:
a) introducing a ban on the entry of passenger cars,
b) designating maneuvering paths,
c) preparing driver service points.111. In order to prepare the area of the plant for vehicle movement, the following is introduced:
a) width restrictions for vehicles,b) weight restrictions for vehicles,
c) speed restrictions for vehicles and designates directions of movement.
112. Documentation that contains all information about the organization of the production site, which is a mixture plant, is:
a) safety and health protection plan,
b) site instruction,c) health and safety diagram.113. The operation of the plant and persons present on its premises should only move:
a) behind vehicles moving within the plant,b) with the assistance of the plant manager,
c) in designated zones.
114. Overloading the device, vibrations, and oscillations in the set of machines for the production of mineral-asphalt mixtures can lead to:
a) better mixing of the mixture due to additional vibrations of the set,
b) dangerous situations, such as machine damage and the risk of burns from hot elements,
c) better work efficiency and lower energy consumption.115. The use of petroleum-derived substances on metal elements of machines transporting mineral-asphalt mass is prohibited because:
a) they cause rapid wear of metal components,b) they can excessively shorten the binding time of the asphalt mass,
c) they can negatively affect the properties of the mixture.
116. The correct connection of aggregate and asphalt in the production of a mineral-asphalt mixture is the stage:
a) transport of hot aggregate to storage bins,b) preliminary dosing of aggregate,
c) mixing and storing the finished mass.
117. The least influence on the possibility of storing the mineral-asphalt mixture at high temperature is:
a) the construction of the silo and the type of thermal insulation,
b) the level of humidity in the air outside the silo,
c) the presence of stabilizing additives in the mixture.118. The method of recycling mineral-asphalt mixtures requiring heating the granulate to a temperature of 120-140 [°C] is:
a) cold recycling,b) chemical recycling,
c) hot recycling.
119. The regulation of the temperature of the aggregate in the dryer is influenced by:
a) the amount and speed of feeding the aggregate,
b) the humidity of the aggregate and the size of the grains,c) the type of aggregate and its natural moisture.120. When selecting components for the mineral-asphalt mixture, we consider:
a) climatic requirements,
b) the type of surface of adjacent roads,c) the types of vehicles used on the road.121. Maintaining the uniformity of the mineral-asphalt mixture during production is possible thanks to:
a) using a long production cycle,
b) controlling the granulation of materials,
c) maintaining a constant speed of the conveyor belt.122. Too high moisture content of the aggregate used for the production of the mineral-asphalt mixture can cause:
a) increased durability of the mixture,b) shortened production time,
c) reduced adhesion of asphalt to the aggregate.
123. Wet aggregate in the production of the mineral-asphalt mixture can:
a) facilitate the detachment of the binder from the aggregate,
b) increase the adhesion of the binder to the aggregate,c) reduce the durability and thermal stability of the binder.124. A parameter subject to direct control by the operator in the production control system of the mineral-asphalt mixture is:
a) moisture content of the aggregate before drying,b) temperature of the aggregate in the bins,
c) weight of stabilizing additives.
125. One of the basic stages of the production of the mineral-asphalt mixture is:
a) cooling and washing the aggregate,b) sorting and cleaning the aggregate,
c) drying and heating the aggregate.
126. Factors responsible for the maximum storage time of the mineral-asphalt mixture in the finished product silo are:
a) type of mixture and ambient humidity,b) parameters indicated on the silo,
c) production temperature, type of binder, and silo equipment.
127. The basic methods of recycling the mineral-asphalt mixture are:
a) cold recycling and hot recycling,
b) recycling in water and recycling without the addition of water,c) chemical recycling and biological recycling.128. We regulate the temperature of hot aggregate in the dryer by:
a) changing the burner output,
b) changing the water content,c) temporarily stopping the operation of the drum.129. Factors to consider when selecting components for the production of the mineral-asphalt mixture are:
a) project completion time,
b) records of the working recipe,
c) type of equipment used.130. The aggregate is transported to the sorter:
a) using a transport cart,b) with the help of a screw conveyor,
c) by an elevator.
131. The belt in the conveyor serves the role of:
a) carrying and pulling element,
b) solely a supporting element for the material,c) guiding element for the rollers.132. The compressed air tank in the pneumatic system is used for:
a) regulating the air flow,
b) storing a reserve of compressed air under pressure,
c) reducing the temperature of the compressed air.133. In a belt conveyor, devices such as scrapers and brushes are used for:
a) guiding the belt,
b) removing dirt from the surface of the belt,
c) tensioning the belt.134. Pre-dispensers in the bitumen mixture plant are responsible for:
a) mixing materials with bitumen binder,
b) precise dosing of stone materials according to the mixture recipe,
c) removing dust generated during drying.135. The parameters of the production process in the MMA plant that are continuously monitored by the operator are:
a) the noise level emitted by the machines,b) the air pressure in the hydraulic system of the mass feeder,
c) the mixing time and the temperature of the finished mass.
136. Mixtures with discontinuous grain size (e.g. SMA) are more prone to problems when stored at high temperatures because:
a) longer storage poses a risk of vapor explosion,b) the mixture with discontinuous grain size better maintains stability at high temperatures,
c) the risk of binder runoff and segregation of the mixture increases.
137. The length of time MMA mixture is stored in a container (silo) depends on:
a) solely on the type of mixture and its mineral composition,b) solely on the outside temperature,
c) on the type of mixture, the presence of additives, the equipment of the silo, and the amount of mixture in the silo.
138. Adding stabilizers, modifiers, and adhesive agents:
a) accelerates the mixing process but does not affect the final properties of the finished product,
b) provides the MMA mixture with improved durability by increasing its resistance to temperature and humidity changes,
c) changes the physical properties of the aggregates added to the mixture.139. Asphalt in mineral-asphalt mixtures serves as:
a) a binder, connecting mineral fractions into one cohesive mass,
b) an additive providing high compressive strength,c) a moisture-proofing agent.140. A mineral-asphalt mixture is:
a) a material formed by mixing cement, aggregates, water, and possible admixtures and additives, which is still in a state allowing for compaction,
b) a mixture of fine and coarse aggregates, asphalt binder, filler, and additives in appropriate proportions,
c) a mixture of soil category 3 or 4, water, asphalt binder, and additives in appropriate proportions.141. Mastic Asphalt MA is:
a) a mixture of sand, binder, cement, and a large amount of water that gives the entire mixture fluid properties,
b) a mineral-asphalt mixture with very low free space content produced in a mixer and not requiring compaction during installation,
c) another name for pure asphalt binder.142. The drum of the mixing plant is part of the machine where:
a) the combination of aggregates and asphalt occurs,
b) the drying and heating of stone material takes place,
c) asphalt is stored and heated.143. Main dispensers are places where:
a) sorted material is collected by fraction,
b) weighed stone material is poured in while simultaneously adding asphalt,c) the division of stone material into fractions occurs.144. Which of the listed elements are not part of the hydraulic system:
a) hydraulic lock, hydraulic oil tank,b) pump, distributor, actuator,
c) starter, alternator.
145. The hydraulic lock in the machine is:
a) a valve responsible for controlling the entire hydraulic system,b) the closure of the hydraulic oil inlet at its tank,
c) a valve protecting against uncontrolled movement of the element located in a given line.
146. The change of hydraulic oil pressure into mechanical movement is the responsibility of:
a) hydraulic pump system,
b) hydraulic actuator and hydraulic motor,
c) hydraulic distributor.147. Pressure in the hydraulic system is generated by:
a) hydraulic pump,
b) hydraulic motor,c) hydraulic actuator.148. Directing the flow of hydraulic oil to individual systems is carried out by:
a) relief valve,
b) hydraulic distributor,
c) hydraulic lock.149. The safety valve protects the hydraulic system from:
a) excessive pressure increase,
b) air in the hydraulic system,c) overheating of hydraulic oil.150. The relief valve in the hydraulic system is responsible for:
a) venting the system,
b) limiting the maximum working pressure in a given circuit,
c) maintaining a constant position of the working tool.151. If the pressure in the hydraulic system rises excessively, the excess oil will be directed to:
a) hydraulic oil tank,
b) distributor,c) hydraulic oil filter.152. The flow and direction of hydraulic fluid in the system are regulated by:
a) hydraulic valves,
b) hydraulic motors,c) hydraulic pumps.153. Components of the system, such as actuators and hydraulic motors, convert hydraulic energy into:
a) electrical energy,
b) mechanical energy,
c) pressure in the tank.154. The double drum coater consists of:
a) internal casing and external rotating drum,
b) internal rotating drum with mixing blades,
c) two internal rotating drums.155. Pre-dispensers in the production process of the mineral-asphalt mixture are located:
a) in the heating system of the bituminous binder,
b) before the dryer to prepare the material for further processing,
c) behind the mixer to transport the finished material to the storage location.156. The dosing system of the binder consists of:
a) a set of bucket conveyors,b) silos for the mixture,
c) tanks with heated binder.
157. Devices that convert compressed air energy into mechanical work are:
a) air tanks and separators,b) dryers and coolers,
c) pneumatic actuators and pneumatic motors.
158. The addition of various secondary raw materials to the mixture is facilitated by:
a) external mixing blades,b) co-current flow of aggregate,
c) stationary outer casing of the coater.
159. For measuring the mass of mixed components, the most commonly used scales are:
a) balance scales,
b) strain gauge scales,
c) laboratory scales.160. To improve the transport of material from silos, the following are used:
a) trailer vibrators,
b) mechanical actuators,c) gas blowers.161. The use of dryers in a pneumatic installation:
a) reduces the likelihood of failures and the occurrence of corrosion in the system,
b) reduces the moisture content of the aggregate fed to the mixer,c) is an additional source of water.162. To protect individual circuits of the electrical system from the effects of short circuits and overloads in the machine sets for producing mixtures, the following are used:
a) lightning protection systems,b) circuit breakers,
c) under-voltage releases.
163. Gel batteries, which are part of the electrical system, do not require:
a) charging with a rectifier,b) replacement in case of housing damage,
c) electrolyte replenishment.
164. Stationary batteries, which are part of the electrical systems of the mixture production sets, provide:
a) the possibility of connecting a device with higher power to the electrical circuit,b) smooth start-up of individual working subassemblies in the event of a main power failure,
c) continuity of control over technological processes in the event of a main power failure.
165. Electrical systems of machines and devices should be equipped with a device that causes emergency stop in at least the following quantity:
a) one device causing an emergency stop, in accordance with the European machinery directive,
b) three devices causing an emergency stop, in accordance with the European machinery directive,c) two devices causing an emergency stop placed on both sides of the machine, in accordance with the European machinery directive.166. The emergency stop device of the machine is a component of:
a) the fuel system,b) the drive system,
c) the electrical system.
167. The adhesive agent dispenser in the mineral-asphalt mixture plant is responsible for:
a) dosing substances that increase the adhesion of asphalt to aggregate,
b) maintaining the temperature balance of the mixture during the process,c) controlling the share of cold aggregate in the production process.168. Emergency switches used in the mineral-asphalt mixture plant are located on:
a) the control panel, dispenser unit, support of the coating machine,
b) evacuation corridors and structural elements,c) moving parts of machines, in control cabinets.169. The main elements of the cold aggregate dispenser are:
a) moisture indicator, inductive vibrator,b) overflow signalizer, screw conveyor,
c) dosing conveyor, belt scale.
170. The asphalt scale consists of:
a) a cell dispenser and a screw conveyor,b) a flow meter, controllers, and flow indicators,
c) a weighing dispenser with a controller and tanks.
171. The weight of stabilizing additives consists of:
a) level measurement sensors, oil heating installation,b) a set of sensors for monitoring the temperature of hot exhaust gases,
c) a weighing tank suspended on a strain gauge, screw conveyor.
172. The frequency and scope of periodic maintenance of the machine/technical device for which you are taking the exam:
a) is determined by the owner of the machine/technical device,
b) is included in the operating and maintenance manual of the machine,
c) is included in the IBWR documentation.173. The operating and maintenance manual for the machine/technical device is:
a) a set of information necessary for the safe operation of the machine/technical device issued by the manufacturer of the machine/technical device,
b) a set of information necessary for the safe operation of the machine/technical device issued by the health and safety services on the construction site,c) a set of information necessary for the safe operation of the machine/technical device, which includes among others IBWR.174. The operator of the machine/technical device for which you are taking the exam is not allowed to:
a) during operation, check the technical condition of the machine/technical device,
b) use the machine/technical device for purposes other than intended,
c) make any repairs or maintenance.175. A symptom of too low a level of hydraulic oil may be:
a) uneven operation of the diesel engine,
b) "jerky" intermittent movement of hydraulic actuators,
c) loud operation of the starter.176. Operating and maintenance instructions for the machine/technical device:
a) is established by the owner or user of the machine,b) is used to record information about faults,
c) includes, among other things, information about hazards during the operation of the machine/technical device.
177. The CE Declaration of Conformity is a document:
a) in which the manufacturer confirms that their product meets all applicable EU requirements regarding safety, health protection, and the environment,
b) issued by institutions that test machines for resistance to weather conditions,c) confirming that the product was manufactured in the countries of the European Union.178. Information regarding the use of personal protective equipment and ways to reduce occupational risk can be found by the operator:
a) in the CE Declaration of Conformity,
b) in the operating and maintenance instructions for the machine/technical device,
c) in the service book.179. The operating and maintenance instructions for the machine/technical device:
a) are developed by the manufacturer of the machine/technical device or the entity that introduces the machine/technical device to the market,
b) are created by the construction manager based on information from the manufacturer,c) are created by institutions that conduct testing and accreditation of prototypes of machines/technical devices before allowing them for serial production.180. The operating and maintenance instructions for the machine/technical device:
a) should be located in the machine or with the device, treated as part of the machine/technical device, and be available at all times,
b) does not matter where it is located, the most important thing is that the owner of the machine has it in case of resale of the machine,c) should be located in the office along with the company's documentation and be available in case of inspection.181. Identification data of the machine/technical device:
a) due to their importance, they are always printed in red,b) should be noted on the inner side of the protective helmet assigned to the given machine/technical device,
c) are located on the nameplate of the machine/technical device, additionally may be in the marking places described in the instructions.
182. To minimize the risk of machine/technical device failure, the operator should:
a) perform maintenance activities only when the machine/technical device stops working,
b) regularly visually assess the condition of the machine/technical device and report any noticed irregularities,
c) use the machine/technical device until the failure becomes serious.183. After a long downtime of the coating machine, when the raw material or mixture has cooled down, the operator should:
a) start the coating machine at low speed to gradually warm up the mixture,
b) manually empty and clean individual aggregates,
c) switch the coating machine to automatic mode and resume production.184. During manual cleaning of the coating devices after a failure, one should:
a) start cleaning only after the failure has been removed,b) turn off the main power supply and start cleaning,
c) secure the coating devices against movement.
185. The operator uses the operating and maintenance manual of the machine or technical device to:
a) learn the technical specifications, safety rules, and methods of repairing faults,
b) record the hours worked and fuel consumption by the machine,c) record all faults of the machine or technical device noticed during operation.186. The service part of the operating and maintenance instructions for the machine or technical device includes:
a) a detailed description of the construction and operation of all elements of the machine/technical device,
b) instructions regarding, among others, controlling the machine/technical device,
c) a catalog of spare parts.187. The operating and maintenance instructions must always be present with the machine/technical device because:
a) it is essential for periodic technical inspections,
b) its absence may be the reason for the inspector not allowing the machine to operate,
c) it minimizes the risk of it being lost.188. After production is completed, the service of conveyor belts requires:
a) cleaning and checking the condition of the belts and adjusting their tension when required,
b) checking the power supply voltage of the conveyors,c) setting the belts in the parking position.189. Before turning off the control computers at the end of work, it is necessary to:
a) immediately pump asphalt out of the pipeline, turning off the cooling functions,
b) pass two dry mixtures without asphalt through the mixer to clean it,
c) disconnect the main power supply of the installation.190. The operator before starting service activities after production should:
a) turn off only the main power supply,
b) hang a sign saying 'Maintenance Work',
c) switch the control computer to service mode and start maintenance without turning it off.191. A part of the procedure for closing the machine set for the production of mineral-asphalt mixtures after work is:
a) setting the drum dryer to quick cooling mode,b) switching all conveyors to manual operation mode,
c) turning off the drum dryer after the cooling time has elapsed.
192. Oils with designations 70W, 85W, 80W-90 are:
a) gear oils,
b) brake oils,c) engine oils.193. Before starting work, the employee is required to check, among other things:
a) the oil stock in the warehouse,b) the expected weather for the current day,
c) the correctness of the installation and operation of collective protection measures.
194. The servicing activities related to the pneumatic installation include:
a) adding water to the system,
b) checking and possibly removing water from the installation,
c) regularly adjusting the safety valve.195. The servicing activities before starting work include:
a) visual inspection and lubrication,
b) ordering materials (aggregate, sand, etc.) needed for the day of work,c) performing a work cycle without materials.196. In the case of the need to dismantle the cover/protection for maintenance, it is not allowed to:
a) record such a fact in the documentation,b) reinstall the cover/protection,
c) start working with the device without installing the cover/protection.
197. The most common faults of belt feeders include:
a) problems with the bearing of rollers and fraying and cracking of the belt,
b) belt rotation,c) cracking at the joints of the belt conveyor and cracking of the frame.198. Before starting the production process, it is necessary to:
a) note the initial weight readings,
b) tare the scales,
c) check the scales at maximum load.199. When changing hydraulic oils, it is necessary to:
a) always use only biodegradable oils,
b) use only types of oils recommended by the machine manufacturer,
c) use any type of oil.200. To ensure the technical efficiency of the working machine, it is necessary to:
a) follow technical service and maintenance according to the operating and maintenance instructions,
b) use the machine/device only under full load,c) use the machine/device not exceeding 50% of the permissible load.201. On the construction site, empty containers for lubricants, oil filters, and used oils should be:
a) placed in a properly marked container for hazardous waste,
b) thrown into the mixed waste container,c) thrown into any waste container.202. Stickers (pictograms) located on the machine/technical device serve to:
a) indicate places where one can stay without any risk,
b) convey important information about safety and the use of the machine/technical device,
c) inform about the prohibition of approaching the machine/technical device.203. Lubrication points in the machine should be serviced:
a) always after 10 hours of operation,
b) according to the operating and maintenance instructions of the machine,
c) during all breaks in work.204. Before starting work on a new type of machine/technical device, the operator should:
a) perform a trial operation,b) conduct a periodic inspection,
c) familiarize themselves with the operating and maintenance instructions of the machine/technical device.
205. OTC service is:
a) temporary technical service,b) round-the-clock technical service,
c) daily technical service.
206. The basic types of service are:
a) round-the-clock service, multi-seasonal, annual, technological,b) visual service, active, passive,
c) daily service, periodic, warehouse, transport.
207. The activities performed by the operator as part of daily service during work are:
a) auditory control of the machine's operation and observation of indicators,
b) replenishing operating fluids and daily lubrication,c) cleaning the machine.208. If the manufacturer has provided for operational run-in, it should be carried out:
a) with the load recommended in the operating and maintenance manual of the machine/technical device,
b) without load,c) with the maximum load.209. The rods of hydraulic cylinders, during the technical service of the machine's warehouse, should be:
a) disassembled and cleaned,
b) protected against corrosion,
c) disassembled and the seals replaced.210. During longer storage of the machine, the fuel tank should be:
a) filled to 1/3 of its capacity and left open,b) empty to avoid fire hazards,
c) filled to the top to prevent condensation of water vapor inside the tank.
211. During the daily operation of the machine, it is necessary to check the condition:
a) tools and equipment,b) the value of working pressure in the hydraulic system,
c) connections and tightness of the hydraulic system.
212. If the machine's engine has not been running for a longer time during daily operation, it is necessary to:
a) start the engine and gently increase the RPM to reach the operating temperature faster,
b) check the oil level and other operating fluids,
c) replace the fuel pre-filter.213. Information regarding faults, their codes, and methods of removal can be found in the document titled:
a) construction machine book,b) daily report,
c) operating and maintenance manual.
214. The purpose of lubrication in working machines is:
a) to raise the temperature of cooperating elements,
b) to reduce friction,
c) to increase the engine speed.215. The frequency of performing periodic technical service depends on:
a) the number of completed working cycles,
b) the number of hours worked (engine hours),
c) the date of production of the machine.216. Activities performed as part of daily technical service (OTC) carried out during the operation of the machine include:
a) primarily the sensory inspection of the proper functioning of the machine's working system,b) observation only of control and measurement indicators such as: oil pressure, engine temperature, hydraulic oil temperature,