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 30 of 200
Correct10%3 of 30 answered
Incorrect90%27 of 30 answered

What application pressure do steering-axle brakes receive when a bobtail proportioning system is active?

ANo pressure
BOne-quarter of the selected pressure
CFull application pressureYour answerCorrect answer
DOne-half of the selected pressure
Correct.

The proportioning system reduces drive-axle pressure while leaving full application pressure at the steering axle. (Guide p. 174)

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.