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

Correct37%7 of 19 answered

Incorrect63%12 of 19 answered

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

AWhen it has no visible colour marking

BWhenever it feels warm

CWhen it deflects more than twice the belt's widthYour answerCorrect answer

Correct.

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

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