Your truck has a properly functioning dual air brake system and minimum size air tanks. The air pressure should build from 85 to 100 psi within:
a) 30 seconds
b) 45 seconds
c) 60 seconds
Answer: b) 45 seconds
CDL MCQ
Air Brakes Endorsement
Your truck has a properly functioning dual air brake system and minimum size air tanks. The air pressure should build from 85 to 100 psi within:
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