CDL MCQ
CDL Class B
The spring brakes or emergency brakes pop when air pressure in the tank is about
The spring brakes or emergency brakes pop when air pressure in the tank is about
The spring brakes or emergency brakes pop when air pressure in the tank is about
Answer: 20-40psi
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If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.