DMV Cartedefr · Nebraska · cdl · Air Brakes Test 1

Nebraska 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 two, three or four answer choices. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the Nebraska 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

24. In a dual air brake system:

A

Each system has separate air tanks, hoses, and lines.

B ×

The systems share air tanks, but each has its own separate hoses and lines.

C ×

Each system uses the same lines and hoses.

D ×

One system is the main braking system and a second system is ready to be used if the first one fails.

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