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Home/Practice quizzes/Class 4

Class 4 practice quiz

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

Class 4Question 15 of 200
Correct7%1 of 15 answered
Incorrect93%14 of 15 answered

What setup is required before checking a manual s-cam brake’s adjustment on the ground?

ALeave spring brakes applied and the engine at high idle
BDrain all reservoirs and remove the wheel blocks
CBlock the wheels, build full air pressure, release spring brakes and shut off the engineCorrect answer
DPark on a steep grade without chocksYour answer
Incorrect.

The vehicle must be secured while the released brakes are measured, and the engine is shut off so leaks can be heard. (Guide p. 191)

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