Combination air brakes practice quiz

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Combination air brakesQuestion 7 of 200

Correct86%6 of 7 answered

Incorrect14%1 of 7 answered

What reservoir-and-valve arrangement is common on a highway trailer with single or tandem axles but no spring parking brakes?

AOne reservoir and one relay emergency valveCorrect answer

BTwo compressors and no reservoirYour answer

COne hydraulic master cylinder and four wheel cylinders

DOne supply reservoir on the tractor and no trailer valve

Incorrect.

A typical highway trailer without spring parking brakes uses one trailer reservoir and one relay emergency valve for single or tandem axles. (Guide p. 170)

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