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CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
CDL Air Brakes Practice Test
Question 1 of 3
Which of the following can cause air brakes to fade or fail?
A
Excessive use of the emergency brake
B
Driving in bad weather
C
Driving in heavy traffic
D
Excessive use
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