CDL-Combination Vehicles Test Exam QuestionsWith 100% Correct AnswersBefore backing, check behind your vehicle by
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- Correct Answer-Getting
out of the cab
You are testing the air leaking rate of a combination vehicle. The
system is at full pressure, the engine is off, and the brakes are off. The
leakage rate should be less than __ per minute. - Correct Answer-3 psi
The air leakage rate
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