Michigan CDL Air Brakes Practice Questions - Michigan CDL Air Brakes Knowledge Test Exam

Under Michigan CDL Manual Section 5, should you couple glad hands while pressurized air is flowing through them?

Yes — pressurized coupling is best No — supply air should be off; couple the glad hands first, then charge the system It doesn't matter Only with double-trailers

Correct Answer:

No — supply air should be off; couple the glad hands first, then charge the system

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