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/Class 4

Class 4 practice quiz

Choose an answer, read the explanation, then continue to the next question. Your results include a review of every answer.

Class 4Question 2 of 200
Correct0%0 of 2 answered
Incorrect100%2 of 2 answered

Under what operating condition is an engine retarder generally most effective?

ALow engine rpm in neutral
BMaximum road speed in the highest gear
CWith the engine switched offYour answer
DHigher engine rpm with lower vehicle speed in the correct gearCorrect answer
Incorrect.

Engine retarders work best at higher rpm and lower road speed, making early gear selection important. (Guide p. 22)

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.