Home/Practice quizzes/Class 3

Class 3 practice quiz

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

Class 3Question 20 of 200
Correct40%8 of 20 answered
Incorrect60%12 of 20 answered

How much can the listed truck and trailer aerodynamic features improve fuel economy?

AAbout 15–20%Correct answer
BAbout 1–2%Your answer
CAbout 40–50%
DThey cannot affect fuel economy
Incorrect.

Features such as fairings, side skirts and rear air dams can improve fuel economy by about 15–20 per cent. (Guide p. 74)

Study aid only. These are not official ICBC exam questions, and practice scores do not predict an official test result.