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

Access More Questions

Under Michigan CDL Manual Section 5, what is the role of the wig-wag (mechanical low-pressure warning device) in some older trucks?

A coupling for trailer lines A spring-loaded mechanical arm that drops into the driver's view when air pressure drops below about 60 psi A type of slack adjuster A type of brake drum

Correct Answer:

A spring-loaded mechanical arm that drops into the driver's view when air pressure drops below about 60 psi

Access more questions from this quiz

Continue to Michigan CDL Air Brakes Practice Questions - Michigan CDL Air Brakes Knowledge Test Exam for more practice questions and the full quiz experience.

Access More Questions