DMV Cartedefr · Mississippi · cdl · Air Brakes Test 2

Mississippi cdl Air Brakes - Test 2

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 Mississippi Professional Driver’s 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 vehicle with dual air brakes, what happens if one system is low on pressure?

A ×

The air from the other system will be used to supplement the system with the low pressure.

B

The front or rear brakes may not work properly.

C ×

All brakes will be inoperable.

D ×

The low system will use an auxiliary system to fill the tank.

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