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Home/Practice quizzes/Single-unit air brakes

Single-unit air brakes practice quiz

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Single-unit air brakesQuestion 16 of 200
Correct19%3 of 16 answered
Incorrect81%13 of 16 answered

What does the foot valve do when the driver applies the brake pedal?

ADirects compressed air from the reservoirs toward the brakesYour answerCorrect answer
BLocks the steering axle mechanically
CDrains every reservoir
Correct.

The foot valve meters stored air to the brake chambers to apply the service brakes. (Guide p. 146)

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Study aid only. These are not official ICBC exam questions, and practice scores do not predict an official test result.