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CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
CDL General Knowledge Practice Test
Question 1 of 3
Your vehicle has an automatic transmission. When should you downshift?
A
Before starting up a grade
B
Before exiting a curve
C
Before entering a curve
D
Before starting down a grade
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