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CDL Air Brakes Endorsement Exam Questions and Answers 100% Pass $11.49   Add to cart
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CDL Air Brakes Endorsement Exam Questions and Answers 100% Pass
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CDL Air Brakes Endorsement Exam Questions and Answers 100% Pass A dual air brake system: - ANSWER-Has two separate air brake systems which use a single set of controls What part of the truck is the air compressor connected to? - ANSWER-Engine Having ABS on only one axle: - ANSWER-Should still ...

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  • November 3, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cdl air brakes endorsement exam questions and answ

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Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024




CDL Air Brakes Endorsement Exam

Questions and Answers 100% Pass


A dual air brake system: - ANSWER✔✔-Has two separate air brake systems which use a single set of

controls


What part of the truck is the air compressor connected to? - ANSWER✔✔-Engine


Having ABS on only one axle: - ANSWER✔✔-Should still give you more control


When going down a steep downgrade, - ANSWER✔✔-The vehicle should be placed in a lower gear and

brakes used to supplement braking


If the vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what

condition should the belt be in? - ANSWER✔✔-Tight


What kind of force must emergency brakes use? - ANSWER✔✔-Mechanical


At what psi is the safety valve set to open? - ANSWER✔✔-150


Using the brakes creates heat. What happens if there is too much heat produced? - ANSWER✔✔-The

brakes may not work


What does an application pressure gauge do? - ANSWER✔✔-Shows how much air pressure you are

applying to the brakes


Before driving a vehicle with a dual brake system, the driver should: - ANSWER✔✔-Let the air

compressor build up a minimum of 100 psi pressure in the primary and secondary systems

Copyright ©Stuvia International BV 2010-2024 Page 1/7

, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024


If using the spring brakes when hauling a heavy load, a complete stop will: - ANSWER✔✔-Take a long

time


What should happen if the air pressure in the air brake system tanks falls below 55 psi? - ANSWER✔✔-

The warning light will come on


Why do you need to drain the air tank regularly? - ANSWER✔✔-Because compressed air contains some

water and the eater collects in the tanks


When the spring brakes are on, you should never: - ANSWER✔✔-Push the brake pedal down


What do ABS brakes do? - ANSWER✔✔-Help you avoid wheel lock up


In a dual brake system, if one air system is very low on pressure: - ANSWER✔✔-Either the front or rear

brakes will not be operating fully


What are the two markings on a front brake limiting valve? - ANSWER✔✔-Normal and slippery


On a truck with air brakes, what does the braking system's air compressor do? - ANSWER✔✔-It pumps it

into the air storage tanks


If the spring brakes are on, you should: - ANSWER✔✔-Not use the brake pedal


The air storage tanks: - ANSWER✔✔-Hold enough air so the brakes could be used several times if the

compressor stops


Which of the following items is not part of a vehicle's air brake system? - ANSWER✔✔-Air filter


What is brake lag? - ANSWER✔✔-The time required for the brakes to work after the brake pedal is

pushed



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