Illinois 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. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the Illinois Commercial Driver’s License Study Guide. Questions come from chapters covering: Air Brakes. The Air Brakes endorsement may be used with the Class A, B or C CDL.
To DMV Handbooks11. An Anti-Lock Braking System (ABS):
A
×
Cannot be used with air brakes.
B
×
Should be used on dry pavement.
C
√
Can assist in maintaining control when braking.
D
×
Should only be used if all axles have ABS.