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PA Class A CDL Permit Test with Questions and Answers
NewPA Class A CDL Permit Test with Questions and Answers 
 
If the brake pads rub against the brake drums and create too much heat: 
A. The brakes will stick 
B. The brakes will become extra sensitive 
C. The brakes may stop working 
D. The air compressor will kick on to cool the brakes ANSWER C. The brakes may stop working 
 
*Brakes heat up with use. If they are overused and become too hot, expansion and chemical changes will make them less effective and eventually cause them to stop working alt...