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/Single-unit air brakes

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 22 of 200
Correct14%3 of 22 answered
Incorrect86%19 of 22 answered

How is governor cut-in checked on a single-unit truck?

ADrain to zero and wait for the safety valve.Your answer
BPump to about 80 percent of maximum, pause and confirm pressure begins rising before it falls below 80 psi.Correct answer
CHold the parking brake at full application pressure.
Incorrect.

Pump pressure down to about 80 percent of maximum and verify the compressor cuts in before pressure is below 80 psi. (Guide p. 218)

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.