DMV Cartedefr · Maryland · cdl · Air Brakes Test 1

Maryland 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. Each question has three or four answer choices. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the Maryland Commercial Driver Guide. Questions come from the chapter covering: Air Brakes. The Air Brakes endorsement may be used with the Class A, B or C CDL.

To DMV Handbooks

25. To use the stab braking method, 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 allow the wheels to keep rolling.

C ×

Apply the brakes completely until the wheels lock up and the vehicle stops.

D ×

Apply the emergency brake until the vehicle starts to slow.

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