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Home/Practice quizzes/Single-unit air brakes

Single-unit air brakes practice quiz

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

Single-unit air brakesQuestion 19 of 200
Correct21%4 of 19 answered
Incorrect79%15 of 19 answered

When does the guide say a compressor drive belt needs tension adjustment?

AWhen it has no visible colour markingYour answer
BWhenever it feels warm
CWhen it deflects more than twice the belt's widthCorrect answer
Incorrect.

If the belt can be pressed inward more than twice its width midway between pulleys, its tension needs adjustment. (Guide p. 150)

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