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Class 1 practice quiz

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Class 1Question 7 of 200
Correct71%5 of 7 answered
Incorrect29%2 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 close
DThe service reservoirs may overfillYour answer
Incorrect.

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

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