Do You Know How To Use Air Break?

140 Questions | Total Attempts: 285

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Do You Know How To Use Air Break?

In the quiz below we, look and want to ascertain that you know how to use the air breaks. Despite of the answers you are going to give and the results, it is certain that you are going to learn.


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Questions and Answers
  • 1. 
    When inspecting visible air brake hoes and tubes, the driver must check for:
    • A. 

      Audible air leak

    • B. 

      Damaged or worn air line

    • C. 

      Improper fitting used to connect or repair an air line

    • D. 

      All of the above

  • 2. 
    When trailer couplers or gladhands are cross-connected?
    • A. 

      Trailer service and spring brakes will function correctly

    • B. 

      The trailer spring brakes will release and function correctly

    • C. 

      Trailer service and spring brakes will not function correctly

    • D. 

      Trailer service brakes will function correctly

  • 3. 
    When measuring the applied push rod stroke on brakes having exposed push rods, air pressure must be between?
    • A. 

      690 and 828 kPa ( 100 and 120 psi )

    • B. 

      621 and 690 kPa ( 90 and 100 psi )

    • C. 

      690 and 932 kPa (100 and 135 psi )

    • D. 

      414 and 828 kPa ( 60 and 120 psi )

  • 4. 
    When inspecting the air tanks, the driver must look for?
    • A. 

      Loose air compressor governor

    • B. 

      Improperly spliced air line

    • C. 

      Insecurely mounted air tank

    • D. 

      None of the above

  • 5. 
    When inspecting the, the driver must look for?
    • A. 

      Loose belt

    • B. 

      Cut belt

    • C. 

      Frayed belt

    • D. 

      All ot the above

  • 6. 
    When , the driver must look for?
    • A. 

      Insecure mounting bracket or fasteners

    • B. 

      Improper governor setting

    • C. 

      Loose air tank brackets or fasteners

    • D. 

      All of the above

  • 7. 
    When , air pressure must be between?
    • A. 

      690 and 828 kPa (100 and 120 psi)

    • B. 

      621 and 690 kPa (90 and 100 psi)

    • C. 

      690 and 932 kPa (100 and 135 psi)

    • D. 

      414 and 828 kPa (60 and 120 psi)

  • 8. 
    When measuring the applied push rod stroke on brakes having push rods, air pressure must be between?
    • A. 

      690 and 828 kPa (100 and 120 psi)

    • B. 

      621 and 690 kPa (90 and 100 psi)

    • C. 

      690 and 932 kPa (100 and 135 psi)

    • D. 

      414 and 828 kPa (60 and 120 psi)

  • 9. 
    When testing air pressure build-up time, pressure must build from 587 to 690 kPa ( 85 to 100 psi ) within?
    • A. 

      1 Minute

    • B. 

      3 Minutes

    • C. 

      2 Minutes

    • D. 

      4 Minutes

  • 10. 
    When inspecting visible air brake hoses and tubes, the driver check for?
    • A. 

      Audile air leak

    • B. 

      Damaged or worn air line

    • C. 

      Improper fitting used to connect or repair an air line

    • D. 

      All of the above

  • 11. 
    When inspecting the foundation brake components, the driver must look for
    • A. 

      Brake lining that is not against the drum when brakes are applied

    • B. 

      Brake lining that is too thin or cracked

    • C. 

      Grease or oil on the brake lining

    • D. 

      All of the above

  • 12. 
    When inspecting the air tanks, the driver must look for?
    • A. 

      Loose air compressor governor

    • B. 

      Improperly spliced air line

    • C. 

      Insecurely mounted air tank

    • D. 

      None of the above

  • 13. 
    When inspecting ,  the driver must look for?
    • A. 

      Brake calipers or rotors that are not the same colour

    • B. 

      Broken or cracked brake drums or rotors

    • C. 

      Brake drums or shoes that are not the correct size

    • D. 

      Square ports and markings

  • 14. 
    When inspecting the , the driver must look for?
    • A. 

      Air leaks, cracks and manufactured holes

    • B. 

      Manufactured air leaks and cracks

    • C. 

      Contaminated brake lining

    • D. 

      Air leaks, cracks and non-manufactured holes

  • 15. 
    When measuring the applied push rod stroke on brake having exposed push rods, air pressure must be between?
    • A. 

      690 and 828 kPa (100 and 120 psi)

    • B. 

      621 and 690 kPa (90 and 100 psi)

    • C. 

      690 and 932 kPa (100 and 135 psi)

    • D. 

      414 and 828 kPa (60 and 120 psi)

  • 16. 
    When inspecting the brake chambers on each side of a steering axle, the driver must ensure that slack adjusters are?
    • A. 

      The same effective length and brake chambers are the same size

    • B. 

      The same effective length and brake chambers are not the same size

    • C. 

      Not the same effective length and brake chambers are the same size

    • D. 

      Not the same size and brake chambers are not the same effective length

  • 17. 
    When inspecting the air compressor drive belt, the driver must look for?
    • A. 

      Loose belt

    • B. 

      Cut belt

    • C. 

      Frayed belt

    • D. 

      All of the above

  • 18. 
    When conducting an inspection of the air brake system, the vehicle should be parked securely on a?
    • A. 

      Hill with the wheels turned toward the curd

    • B. 

      Level surface and in any location

    • C. 

      Hill with the wheels turned away from the curb

    • D. 

      Level surface and in a safe location

  • 19. 
    When brake chamber push rod stoke exceeds the adjustment limit?
    • A. 

      The spring brakes will still work normally

    • B. 

      Vehicle stopping distances became shorter

    • C. 

      Vehicle braking capacity will increase

    • D. 

      Braking ability is reduced

  • 20. 
    When an air brake system is defective you must?
    • A. 

      Drive the vehicle slowly on the highway

    • B. 

      Drive the vehicle to the nearest service station

    • C. 

      Drive the vehicle back to the terminal

    • D. 

      Not drive or operate the vehicle on any road or highway

  • 21. 
    When an air brake system is defective you must?
    • A. 

      Drive the vehicle slowly on the highway

    • B. 

      Drive the vehicle to the nearest service station

    • C. 

      Drive the vehicle back to the terminal

    • D. 

      Not drive or operate the vehicle on any road or highway

  • 22. 
    When an air brake system is defective you must?
    • A. 

      Drive the vehicle slowly on the highway

    • B. 

      Drive the vehicle to the nearest service station

    • C. 

      Drive the vehicle back to the terminal

    • D. 

      Not drive or operate the vehicle on any road or highway

  • 23. 
    When an air brake system is defective you must?
    • A. 

      Drive the vehicle slowly on the highway

    • B. 

      Drive the vehicle to the nearest service station

    • C. 

      Drive the vehicle back to the terminal

    • D. 

      Not drive or operate the vehicle on any road or highway

  • 24. 
    When an air brake brake system is defective you must?
    • A. 

      Drive the vehicle slowly on the highway

    • B. 

      Drive the vehicle to the nearest service station

    • C. 

      Drive the vehicle back to the terminal

    • D. 

      Not drive or operate the vehicle on any road or highway

  • 25. 
    When air loss from an air brake system exceeds the prescribed limits?
    • A. 

      The vehicle must be driven slowly on the highway

    • B. 

      The vehicle may not be driven on any road or highway

    • C. 

      The vehicle must be driven to the nearest service centre

    • D. 

      The vehicle must be driven only on secondary roads