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 Handbooks15. What should happen if the air pressure in the air brake system tanks falls below 60 psi?
A
√
A warning light should come on.
B
×
Lights should flash on the outside of the vehicle.
C
×
A message should appear on the control panel.
D
×
The vehicle should stop.