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CDL AIR BRAKE PRACTICE TEST BANK 2026 COMPREHENSIVE QUESTIONS AND ACCURATE SOLUTIONS VERIFIED

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CDL AIR BRAKE PRACTICE TEST BANK 2026 COMPREHENSIVE QUESTIONS AND ACCURATE SOLUTIONS VERIFIED

Institution
CDL AIR BRAKE PRACTICE
Course
CDL AIR BRAKE PRACTICE

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CDL AIR BRAKE PRACTICE TEST
BANK 2026 COMPREHENSIVE
QUESTIONS AND ACCURATE
SOLUTIONS VERIFIED

◉ Air loss in a single vehicle (not a combination unit) should not be
more than with the engine off and the brakes on. Answer: A. 1 psi in 30
seconds


◉ The vehicle must have a warning device which comes on when the air
pressure in the service air tanks falls below: Answer: B. 50 psi


◉ If the air system should develop a leak, what will keep air in the air
tanks? Answer: A. The governor


◉ Which brake system applies and releases the brakes when the driver
uses the brake pedal? Answer: B. The service brake system


◉ When using the parking brakes or emergency brakes, what type of
pressure is being used? Answer: B. Spring pressure


◉ The air loss rate for a straight truck or bus with the engine off and the
brakes applied should not be more than: Answer: A. 1 psi in 60 seconds

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CDL AIR BRAKE PRACTICE
Course
CDL AIR BRAKE PRACTICE

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