Question

The service brake system:

Answers

Applies and releases the brakes when you press the brake pedal while driving normally.

Applies and releases the parking brakes.

Applies and releases the emergency brake.

Applies and releases the axle brake.

Explanation

Air brakes consists of three separate braking systems: the service brake system, the parking brake system, and the emergency brake system. The service brake system applies and releases the brakes when you use the brake pedal while driving normally.

This questions appears in the following tests:

Alabama Air Brakes

Arkansas Double

Florida Class B Knowledge Test

Florida Air Brakes

Maryland Class A Knowledge Test

Mississippi Air Brakes

Nebraska Class B Knowledge Test

New Jersey Air Brakes

New York Class B Knowledge Test

Pennsylvania Class B Knowledge Test

Pennsylvania Air Brakes

Texas Class A Knowledge Test

West Virginia Class A Knowledge Test

West Virginia Class B Knowledge Test

Wyoming Air Brakes

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The service brake system:

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