DMV Cartedefr · Pennsylvania · cdl · Air Brakes Test 1

Pennsylvania cdl Air Brakes - Test 1

Number of questions: 25

Passing score: 80%

Acceptable number of errors: 5

This endorsement is required for driving a vehicle with air brakes. To receive this endorsement, applicants must pass a written test. The test consists of 25 multiple choice questions. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the Commonwealth of Pennsylvania Commercial Driver’s Manual. Questions come from chapters covering: Air Brakes. The Air Brakes endorsement may be used with the Class A, B or C CDL.

To DMV Handbooks

15. To use the stab braking method in an emergency situation, you should:

A

Apply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process.

B ×

Apply the brakes about halfway, but keep the wheels rolling.

C ×

Fully apply the brakes, let the wheels lock up, and hold the brake pedal down, keeping the wheels locked until the vehicle stops.

D ×

Apply the emergency brake.

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