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Home/Practice quizzes/Combination air brakes

Combination air brakes practice quiz

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Combination air brakesQuestion 19 of 200
Correct37%7 of 19 answered
Incorrect63%12 of 19 answered

For at least how long must a relay-emergency trailer's brakes remain applied after dynamiting?

AFive minutes
BFifteen minutesYour answerCorrect answer
CThirty minutes
Correct.

Motor vehicle safety standards require these systems to remain applied for at least 15 minutes. (Guide p. 170)

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