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Home/Practice quizzes/Class 1

Class 1 practice quiz

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

Class 1Question 7 of 200
Correct14%1 of 7 answered
Incorrect86%6 of 7 answered

What is a major risk of using an engine retarder on a slippery surface?

AThe drive wheels may lock, causing loss of control or a jackknifeCorrect answer
BThe steering axle may become overloaded
CThe trailer supply valve may closeYour answer
DThe service reservoirs may overfill
Incorrect.

Some retarders can lock the drive wheels on slippery roads, stall the engine and cause loss of control or jackknifing. (Guide p. 22)

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