What is the strobe light on a school bus used for?

a.To signal turns

b.To improve visibility of the bus during adverse weather or low-visibility conditions

c.To communicate with dispatch

d.To entertain students

Explanation

The roof-mounted strobe light improves the visibility of the school bus during adverse weather conditions such as fog, rain, or snow, making it easier for other drivers to see the bus from a distance.

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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.

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