ColumbiaTraining Systems Ltd.
Talk to an instructor(604) 729-5333
Language

Read in your language

Google Translate opens in a new tab. Some page content may remain in English. For quizzes and calendars, try your browser’s Translate option.

Browser translation help

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 31 of 200
Correct10%3 of 31 answered
Incorrect90%28 of 31 answered

Why must a driver verify tightening direction separately at each tandem axle?

AEvery tandem brake uses a different air pressure.
BThe trailer hand valve reverses adjustment direction while parked.
CThe control and supply lines change colour at the rear axle.
DOne axle may require the opposite bolt direction from the other.Your answerCorrect answer
Correct.

Tandem units commonly have adjusters that tighten in opposite directions on different axles. (Guide pp. 194-195)

Next question

Choose another quiz · ICBC Driving Commercial Vehicles

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