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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
How should you order trailers when pulling more than one?
A
Place the longest trailer directly behind the tractor
B
Place the heaviest trailer directly behind the tractor
C
Place the shortest trailer directly behind the tractor
D
Place the lightest trailer directly behind the tractor
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