What are roof hatches on a bus used for?

a.Ventilation only

b.Storage access points

c.As emergency exits and for ventilation

d.Satellite antenna mounts

Explanation

Roof hatches serve dual purposes: they provide ventilation during normal operation and serve as emergency exits if other exits are blocked or unusable.

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

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