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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
Driving a truck with double or triple trailers requires:
A
More following distance than driving with a single trailer
B
All of these are correct
C
More skill than driving with a single trailer
D
More care when driving in bad weather and on grades
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