Single-unit air brakes practice quiz

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Single-unit air brakesQuestion 11 of 200

Correct36%4 of 11 answered

Incorrect64%7 of 11 answered

What air-brake-related condition should be checked as the driver approaches a Class 3 single-unit truck?

ATrailer glad-hand colour

BFifth-wheel jaw position

CVisible leaks beneath the vehicleYour answerCorrect answer

DTrailer landing-gear height

Correct.

The single-unit procedure begins by looking underneath for leaks while approaching the truck. (Guide p. 215)

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