Trivia Quiz: How Does An Air Brake Actually Work?

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Trivia Quiz: How Does An Air Brake Actually Work?

Air bikes are put in place to help someone work out. The bikes are stationary and have two handles that move back and forth helping one have some leg and arms work out at the same time. The individual using them is the one that manages the speed he goes at. Do you know how to properly use it though? Take up the quiz below and get to find out!


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Questions and Answers
  • 1. 
    WHICH BRAKE SYSTEM APPLIES AND RELEASES THE BRAKES WHEN THE DRIVER USES THE BRAKE PEDAL?
    • A. 

      EMERGENCY

    • B. 

      PARKING

    • C. 

      DRUM

    • D. 

      DUAL

  • 2. 
    MODERN AIR BRAKES ARE A COMBINATION OF SERVICE, PARKING, AND WHAT OTHER BRAKE SYSTEM?
    • A. 

      HAND

    • B. 

      EMERGENCY

    • C. 

      DRUM

    • D. 

      DUAL

  • 3. 
    WHAT DOES THE AIR COMPRESSOR GOVERN CONTROL?
    • A. 

      THE BRAKE CHAMBER RELEASE PRESSURE

    • B. 

      AIR PRESSURE APPLIED TO THE BRAKES

    • C. 

      AIR COMPRESSOR SPEED

    • D. 

      AIR PUMPED INTO THE AIR TANKS

  • 4. 
    WHY SHOULD YOU DRAIN WATER FROM COMPRESSED AIR TANKS?
    • A. 

      WATER CAN FREEZE AND CAUSE BRAKE FAILURE

    • B. 

      WATER COOLS THE COMPRESSOR EXCESSIVELY

    • C. 

      WATER CAN GET IN TO THE OUT OF THE COMPRESSOR

    • D. 

      WATER MIXED WITH OIL CAUSES BRAKE OVERHEATING

  • 5. 
    WHAT IS THE PURPOSE OF AN ALCOHOL EVAPORATOR?
    • A. 

      ELIMINATES NEED FOR TANK DRAINING

    • B. 

      BOOSTS TANK PRESSURE

    • C. 

      REDUCES THE RISK OF ICE IN AIR BRAKE VALVES

    • D. 

      ELIMINATES ALCOHOL THAT CONDENSES IN THE AIR TANK

  • 6. 
    FOR VEHICLES WITH AN ALCOHOL EVAPORATOR, WHAT SHOULD YOU DO EVERY DAY DURING COLD WEATHER?
    • A. 

      REMOVE THE EVAPORATED ALCOHOL

    • B. 

      CHECK THE ALCOHOL FOR OIL

    • C. 

      CHECK AND FILL THE ALCOHOL LEVEL

    • D. 

      CLEAN THE EVAPORATOR AIR FILTER

  • 7. 
    WHAT DOES THE BRAKE PEDAL DO IN AN AIR BRAKE SYSTEM?
    • A. 

      CONNECTS THE SHOCK ADJUSTERS BY RODS AND LINKAGES

    • B. 

      CONTROLS THE AIR PRESSURE APPLIED TO THE BRAKES

    • C. 

      CONNECTS THE SERVICE AND PARKING BRAKE SYSTEMS

    • D. 

      CONNECTS THE SERVICE AND EMERGENCY BRAKE SYSTEMS

  • 8. 
    THE MOST COMMON TYPE OF FOUNDATION BRAKE IS THE:
    • A. 

      WEDGE DRUM BRAKE

    • B. 

      S-CAM DRUM BRAKE

    • C. 

      DUAL DISC BRAKE

    • D. 

      DISC BRAKE

  • 9. 
    ALL AIR BRAKE EQUIPPED VEHICLES HAVE:
    • A. 

      AIR SUPPLY PRESSURE GAUGE

    • B. 

      A HYDRAULIC SYSTEM

    • C. 

      AT LEAST ONE BRAKE HEATER

    • D. 

      AN AIR USE GAUGE

  • 10. 
    WHAT DOES THE AIR SUPPLY PRESSURE GAUGE INDICATE?
    • A. 

      HOW MUCH AIR HAS BEEN USED IN THE TRIP

    • B. 

      A HYDRAULIC SYSTEM

    • C. 

      THE PRESSURE IN THE AIR TANK

    • D. 

      THE AMOUNT OF AIR THE AIR TANK CAN TAKE

  • 11. 
    THE APPLICATION PRESSURE GAUGE SHOWS:
    • A. 

      THE AMOUNT OF AIR PRESSURE IN THE AIR TANK

    • B. 

      HOW MUCH AIR PRESSURE YOU ARE APPLYING TO THE BRAKES

    • C. 

      THE PRESSURE APPLIED TO THE BRAKE PEDAL

    • D. 

      THE PRESSURE APPLIED FOR

  • 12. 
    THE DRIVER MUST BE ABLE TO SEE THE AIR PRESSURE WARNING LIGHT COME ON BEFORE THE PRESSURE GETS BELOW:
    • A. 

      40 PSI

    • B. 

      50 PSI

    • C. 

      60 PSI

    • D. 

      80 PSI

  • 13. 
    DURING NORMAL DRIVING, SPRING BRAKES ARE USUALLY HELD BACK BY:
    • A. 

      CENTRIFUGAL FORCE

    • B. 

      SPRING PRESSURE

    • C. 

      AIR PRESSURE

    • D. 

      BOLTS

  • 14. 
    IF THERE IS A LEAK IN THE AIR BRAKE SYSTEM, THE PARKING OR EMERGENCY
    • A. 

      SPRING BRAKE

    • B. 

      SPRING BRAKE

  • 15. 
    WHAT AFFECTS THE POWER OF THE SPRING BRAKES?
    • A. 

      HEAT MAKES THE SPRING BRAKES STRONGER

    • B. 

      THE ADJUSTEMENT OF THE SPRING BRAKES INSURES THE POWER

    • C. 

      THE CONDITION OF THE SERVICE BRAKES

    • D. 

      THE CONDITION OF THE PARKING BRAKES

  • 16. 
    WHAT IS THE PURPOSE OF DUAL PARKING CONTROL VALVES?
    • A. 

      TO APPLY MORE PRESSURE TO THE BRAKES

    • B. 

      TO BALANCE THE SERVICE BRAKE SYSTEM WHEN PARKED

    • C. 

      TO INCREASE PARKING POWER

    • D. 

      TO RELEASE THE SPRING BRAKE IN AN EMERGENCY

  • 17. 
    FOR A DUAL AIR BRAKE EQUIPPED VEHICLE, WHAT SHOULD YOU DO IF THE SECONDARY SYSTEM FAILS?
    • A. 

      CONTINUE TO THE NEXT CONVENIENT PLACE TO STOP

    • B. 

      SLOW DOWN AND CONTINUE USING THE PRIMARY SYSTEM

    • C. 

      DRIVE TO THE NEAREST GARAGE FOR REPAIRS

    • D. 

      BRING THE VEHICLE TO A SAFE STOP, AND GET THE SYSTEM FIXED

  • 18. 
    HOW DO YOU CHECK THE FREE PLAY OF MANUAL SLACK ADJUSTERS ON S-CAM BRAKES?
    • A. 

      PARK ON LEVEL GROUND, CHOCK THE WHEELS, TURN OFF PARKING BRAKES

    • B. 

      PARK ON LEVEL GROUND, SET THE PARKING BRAKES

    • C. 

      SET THE PARKING BRAKE, DRAIN OFF AIR FROM THE SERVICE BRAKE

    • D. 

      PARK ON AN INCLINE, AND SET ONLY THE EMERGENCY BRAKE

  • 19. 
    WHEN TESTING THE LOW PRESSURE WARNING SYSTEM, YOU SHOULD BUILD UP YOUR AIR PRESSURE, AND THEN:
    • A. 

      LEAVE THE ENGINE ON AND STEP HARD ON THE BRAKE

    • B. 

      TURN ELECTRICAL POWER ON AND PUMP BRAKE WITH ENGINE OFF

    • C. 

      TURN ELECTRICAL POWER OFF AND PUMP BRAKE

    • D. 

      TURN THE ENGINE OFF AND STEP HARD ON THE BRAKE

  • 20. 
    WHEN CHECKING THAT THE SPRING BRAKES COME ONE AUTOMATICALLY, THE PARKING BRAKE KNOB SHOULD POP OUT WHEN:
    • A. 

      THE AIR PRESSURE BUILDS UP TO 60 PSI

    • B. 

      THE AIR PRESSURE FALLS TO BETWEEN 20-40 PSI

    • C. 

      YOU STEP ON THE FOOT BRAKE

    • D. 

      ALL OF THE ABOVE

  • 21. 
    • A. 

      1 PSI PER MINUTE

    • B. 

      2 PSI PER MINUTE

    • C. 

      3 PSI PER MINUTE

    • D. 

      4 PSI PER MINUTE

  • 22. 
    A BUS AIR BRAKE SYSTEM, WITH THE ENGINE OFF AND THE BRAKE PEDAL ON, SHOULD NOT LEAK AT A RATE GREATER THAN:
    • A. 

      1 PSI IN ONE MINUTE

    • B. 

      1 PSI IN 30 SECONDS

    • C. 

      2 PSI IN ONE MINUTE

    • D. 

      PSI IN ONE MINUTE

  • 23. 
    WHEN TESTING THE SERVICE BRAKES, YOU HAVE A PROBLEM WHEN:
    • A. 

      A DELAYED STOPPING ACTION IS PRESENT

    • B. 

      THE VEHICLE PULLS TO ONE SIDE

    • C. 

      THERE IS AN UNUSUAL FEEL

    • D. 

      ALL OF THE ABOVE

  • 24. 
    HOW SHOULD YOU BRAKE IN AN EMERGENCY STOP?
    • A. 

      USE THE FULL POWER IF THE SERVICE BRAKES

    • B. 

      BRAKE SO THAT YOU CAN STEER AND STAY IN A STRAIGHT LINE

    • C. 

      ALWAYS BRAKE HARD AND FAST

    • D. 

      USE THE EMERGENCY BRAKE AND THE SERVICE BRAKE

  • 25. 
    WHAT IS EMERGENCY STAB BRAKING?
    • A. 

      THE SAME AS SQUEEZE BRAKING

    • B. 

      PUTTING ON THE BRAKES HARD WITHOUT LOCKING THE WHEELS

    • C. 

      REPEATEDLY BRAKING UNTIL THE WHEELS LICK, THEN RELEASING PRESSURE

    • D. 

      BRAKING LIGHTLY SEVERAL TIMES IN A ROW

  • 26. 
    WHY DOES AIR BRAKING TAKE MORE TIME THAN HYDRAULIC BRAKING?
    • A. 

      AIR BRAKES ARE FURTHER FROM THE WHEELS

    • B. 

      AIR BRAKES USE DIFFERENT TYPES OF BRAKE DRUMS

    • C. 

      IT TAKES AIR TIME TO FLOW THROUGH THE LINES

    • D. 

      BECAUSE AN AIR BRAKE SYSTEM HAS THREE SUB-SYSTEMS

  • 27. 
    TOTAL STOPPING DISTANCE FOR AIR BRAKES IS LONGER THAN FOR HYDRAULIC BRAKES DUE TO:
    • A. 

      PERCEPTION DISTANCE

    • B. 

      REACTION DISTANCE

    • C. 

      BRAKE LAG DISTANCE

    • D. 

      EFFECTIVE BRAKING DISTANCE

  • 28. 
    HOW CAN YOU TELL IF YOUR BRAKES ARE FADING ON A LONG DOWNGRADE?
    • A. 

      BRAKE LAG DISTANCE WILL BE SHORTER

    • B. 

      YOU HAVE TO PUSH HARDER TO CONTROL YOUR SPEED

    • C. 

      BRAKES DON'T COOL SUFFICIENTLY BETWEEN APPLICATIONS

    • D. 

      ALL OF THE ABOVE

  • 29. 
    WHY IS SHORTER, LIGHT BRAKE PEDAL PRESSURE USED ON LONG DOWNHILL GRADES INSTEAD ON ON-OFF BRAKING?
    • A. 

      LIGHT PRESSURE DOESN'T HEAT UP THE BRAKES AS FAST

    • B. 

      AIR USAGE IS LESS WITH LIGHT STEADY PRESSURE

    • C. 

      STEADY PRESSURE WORKS BETTER WITH VEHICLE IN LOW GEAR

    • D. 

      ALL OF THE ABOVE

  • 30. 
    THE MOST IMPORTANT THING TO DO WHEN THE LOW AIR PRESSURE WARNING COMES ON IS TO:
    • A. 

      STOP AND PARK AS SOON AS POSSIBLE

    • B. 

      ADJUST THE BRAKE PEDAL FOR MORE SLACK

    • C. 

      USE THE PARKING OR EMERGENCY BRAKE TO STOP

    • D. 

      TAP THE AIR PRESSURE GAUGE TO SEE IF IT IS WORKING

  • 31. 
    IN AN AIR BRAKE VEHICLE, WHEN DO YOU USE THE APRKING BRAKES?
    • A. 

      ONLY DURING PRE AND POST-TRIP INSPECTION

    • B. 

      ONLY IN AN EMERGENCY AND WHEN PARKING

    • C. 

      ANY TIME YOU PARK

    • D. 

      ON DOWNGRADES WITH THE SERVICE BRAKE

  • 32. 
    HOW OFTEN SHOULD YOU DRAIN YOUR AIR TANKS IF IT IS NOT DONE AUTOMATICALLY IN YOUR VEHICLE?
    • A. 

      AT THE END OF EACH DAY OF DRIVING

    • B. 

      EVERY FOUR HOURS OF DRIVING

    • C. 

      AT THE BEGINNING OF EACH DAY OF DRIVING

    • D. 

      AT LEAST ONE WEEK

  • 33. 
    Which axle or axles does the dual air brake system operate?
    • A. 

      Front axle

    • B. 

      Rear axle

    • C. 

      All axles

    • D. 

      Only the trailer axles