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CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
CDL Hazardous Materials Practice Test
Question 1 of 3
You're carrying a load of chlorine and come to a railroad crossing. When are you required to stop?
A
If the crossing is not protected by lights and crossing arms
B
If you're carrying more than 100 gallons
C
If the chlorine is in liquid form
D
Always
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