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 17 of 200
Correct18%3 of 17 answered
Incorrect82%14 of 17 answered

What happens immediately if only the trailer control line separates?

AThe tractor loses all reservoir airYour answer
BThe trailer reservoirs instantly refill
CNothing until a trailer brake application, when tractor protection activatesCorrect answer
Incorrect.

A broken control line leaks application air only when a brake signal is sent. (Guide p. 177)

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.