Free CDL Quiz

What is the maximum allowable play in engine belts during the engine compartment inspection?

a.1/4 inch
b.1/2 inch
c.3/4 inch
d.1 inch

Explanation

Belts should have no more than 1/2 inch of play when pressed. Excessive belt play can lead to belt slippage, which may cause overheating, loss of power steering, or alternator failure.

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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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