For double and triple trailers you need to test the tractor protection valve. To do this, you would need to _____ several times to reduce the air pressure in the tanks.
Answer: Step on and off the brake pedal
CDL MCQ
CDL
For double and triple trailers you need to test the tractor protection valve. To do this, you would need to _____ several times to reduce the air pressure in the tanks.
Subscribe to:
Post Comments (Atom)
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.