Free CDL Quiz

What should you inspect regarding the exhaust system during the walk-around?

a.Only the muffler brand
b.Check for leaks, loose parts, damage, and that it is properly mounted
c.Only the tailpipe size
d.Exhaust inspection is not required

Explanation

Inspect the exhaust system for leaks at connections, loose or broken mounting brackets, holes or cracks in the muffler or pipes, and any signs of exhaust blowing against wiring or fuel lines, which creates a fire hazard.

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About the CDL Exam

The CDL (Commercial Driver License) exam tests your knowledge of commercial driving rules, safety procedures, and vehicle operation. You must score 80% or higher to pass the written knowledge test. The exam covers general knowledge, air brakes, combination vehicles, and various endorsements.

This question is from the Class A CDL Knowledge Test #2 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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