Free CDL Quiz

When checking brakes during a pre-trip inspection on a bus, what should you verify?

a.Only that the pedal feels firm
b.Only the parking brake holds
c.Only that the brake lights work
d.Brake adjustment, air pressure levels, low-pressure warning device, and brake-door interlock operation

Explanation

A thorough brake check includes verifying proper adjustment, adequate air pressure, operation of the low-pressure warning device, and on buses with a brake-door interlock, that it functions correctly.

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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 Passenger Endorsement Test #2 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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