Colorado 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 four answer choices. To pass, the applicant must answer at least 20 questions correctly. Test questions come from the Colorado 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 Handbooks12. Front brake limiting valves were intended to:
A
√
Prevent the front tires from skidding.
B
×
Prevent the front tires from overheating.
C
×
Create equal brake usage.
D
×
Remove uncertainty when applying the brakes.