North Carolina 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 North Carolina 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 Handbooks9. What happens if the air pressure in a system's air tanks falls below 60 psi?
A
√
A warning light will come on.
B
×
The vehicle will not shift out of gear.
C
×
The front lights will flash.
D
×
The vehicle should stop.