Washington 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 answer choices. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the 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 Handbooks9. If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:
A
×
Test the brakes while driving, but continue driving if nothing seems wrong.
B
√
Immediately stop driving.
C
×
Drive with the hazard lights activated.