DMV Cartedefr · Delaware · cdl · Air Brakes Test 1

Delaware 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 State of Delaware Commercial Driver License Manual. 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

9. When traveling down a steep downgrade:

A ×

The air brakes should be used.

B

The vehicle should be placed in a low gear and the driver should use engine braking.

C ×

The driver should continually downshift instead of using the brakes.

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