Alberta Air Brake (Q) Knowledge Test Practice Questions - Alberta Air Brake (Q Endorsement) Knowledge Test Exam - Variant 2

What does the tractor protection system do if trailer air lines rupture or a trailer breaks away?

Protects tractor air pressure so the tractor can still make a safe stop Inflates the trailer tires Locks the steering wheel straight ahead Automatically adjusts all trailer slack adjusters

Correct Answer:

Protects tractor air pressure so the tractor can still make a safe stop

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