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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 24 of 200
Correct13%3 of 24 answered
Incorrect87%21 of 24 answered

How may a trailer ABS electronic control unit receive electrical power?

AFrom the stop-lamp circuit or a dedicated connector supplyCorrect answer
BThrough the red supply glad hand only
CFrom compressed air spinning the wheel sensorYour answer
DFrom the tractor engine oil system
Incorrect.

Trailer ABS may use the stop-lamp circuit or a dedicated power feed through the electrical connector. (Guide p. 186)

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