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Home/Practice quizzes/Combination air brakes

Combination air brakes practice quiz

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Combination air brakesQuestion 31 of 200
Correct29%9 of 31 answered
Incorrect71%22 of 31 answered

Why must a driver verify tightening direction separately at each tandem axle?

AEvery tandem brake uses a different air pressure.
BThe trailer hand valve reverses adjustment direction while parked.
CThe control and supply lines change colour at the rear axle.Your answer
DOne axle may require the opposite bolt direction from the other.Correct answer
Incorrect.

Tandem units commonly have adjusters that tighten in opposite directions on different axles. (Guide pp. 194-195)

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