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Home/Practice quizzes/Combination air brakes

Combination air brakes practice quiz

Choose an answer, read the explanation, then continue to the next question. Your results include a review of every answer.

Combination air brakesQuestion 15 of 200
Correct80%12 of 15 answered
Incorrect20%3 of 15 answered

What does a quick-release valve do when the brakes are released?

AExhausts air near the brake chambers for a quicker releaseCorrect answer
BApplies the spring parking brakes
CRoutes exhaust air back through the trailer reservoirYour answer
Incorrect.

A quick-release valve shortens the exhaust path so the brakes release quickly and fully. (Guide pp. 158-159)

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