Free CDL Quiz

What must a driver check under the bus before departing?

a.Oil level
b.For students or objects that may be hidden beneath the bus
c.Tire tread depth only
d.Exhaust system temperature

Explanation

Before departing, the driver must check under the bus for students or objects that may be hidden beneath it. Children in the danger zone may not be visible from the driver seat and could be struck if the bus moves.

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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 Bus Endorsement Test #1 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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