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CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
CDL Doubles and Triples Practice Test
Question 1 of 3
When pulling doubles you need to make a very quick stop. You should:
A
Use light steady pressure on the brake pedal
B
Use controlled stab braking
C
Jam the brake pedal to the floor
D
Engage the emergency brakes on the trailers
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