Free CDL Quiz

How do you test the service brake during Step 7?

a.Only check the brake fluid level
b.Drive at about 5 mph and firmly apply the brakes to check for pulling, unusual feel, or delayed stopping
c.Press the brake pedal while parked only
d.Only check the brake lights

Explanation

To test the service brakes, drive the vehicle forward at about 5 mph and firmly apply the brakes. The vehicle should stop smoothly and promptly without pulling to one side, making unusual noises, or feeling spongy.

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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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