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Home/Practice quizzes/Combination air brakes

Combination air brakes practice quiz

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Combination air brakesQuestion 2 of 200
Correct50%1 of 2 answered
Incorrect50%1 of 2 answered

What does the dash-mounted trailer air supply valve sense?

APushrod stroke at the tractor brakes
BWheel speed at the trailer axleYour answer
CAir pressure in the supply line leading to the trailerCorrect answer
Incorrect.

The trailer air supply valve senses supply-line pressure and directs air to the trailer system. (Guide p. 173)

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