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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
Which of the following statements about rearward amplification is not true?
A
The longer the trailers you're pulling the larger the effect
B
Another name for rearward amplification is the crack-the-whip effect
C
The more trailers you're pulling the larger the effect
D
The rearmost trailer is the most affected
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