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

Under Texas CMV Driver Handbook Section 5, what is a Jake brake (engine compression brake)?

A type of parking brake A retarder that uses engine cylinder compression to slow the vehicle without using service brakes A trailer brake A hand brake

Correct Answer:

A retarder that uses engine cylinder compression to slow the vehicle without using service brakes

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