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 3 of 200
Correct0%0 of 3 answered
Incorrect100%3 of 3 answered

Which two symptoms suggest the trailer supply and control lines were reversed?

AThe tractor brakes apply and the fifth wheel unlocksYour answer
BA low-air buzzer and dim trailer lights
CSpring brakes will not release and trailer service brakes will not workCorrect answer
Incorrect.

Reversed connections prevent spring-brake release and proper service-brake operation. (Guide p. 171)

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.