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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 20 of 200
Correct15%3 of 20 answered
Incorrect85%17 of 20 answered

What should be checked beneath the tractor-trailer while approaching it?

AOnly trailer ABS lamp colour
BLeaksCorrect answer
COnly fifth-wheel grease level
DOnly landing-gear crank positionYour answer
Incorrect.

The Class 1 under-hood sequence begins by looking beneath the combination for leaks during the approach. (Guide p. 205)

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