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Combination air brakes practice quiz

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Combination air brakesQuestion 5 of 200
Correct80%4 of 5 answered
Incorrect20%1 of 5 answered

What leakage result is required in addition to staying within the pressure-loss limit?

AA continuous purge from the air dryer
BAutomatic closure of the fifth-wheel jawsYour answer
CNo audible air leaksCorrect answer
DA trailer ABS lamp that remains on
Incorrect.

The one-minute engine-off application must meet the numerical limit and reveal no audible leak. (Guide p. 213)

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