California 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 test. The test consists of 25 multiple choice questions. Each question has three answer choices. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the California Commercial Driver Handbook. Questions come from chapters covering: Air Brakes. The Air Brakes endorsement may be used with the Class A, B or C CDL.
To DMV Handbooks3. A visual low pressure warning signal should activate before air pressure drops to a level between:
A
√
55 and 75 psi.
B
×
35 and 50 psi.
C
×
75 and 100 psi.