If a school bus has ABS, how should the driver brake in an emergency?

a.Pump the brakes rapidly

b.Apply steady firm pressure to the brake pedal

c.Lightly tap the brakes

d.Only use the parking brake

Explanation

With ABS, the driver should apply firm, steady pressure to the brake pedal and let the ABS system do its job. Pumping the brakes can interfere with ABS operation and reduce its effectiveness.

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

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