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Home/Practice quizzes/Combination air brakes

Combination air brakes practice quiz

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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 unlocks
BA low-air buzzer and dim trailer lightsYour answer
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)

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