CDL Practice Tests
CDL Home Page
CDL Practice Test
General Knowledge
Air Brakes
Combination Vehicles
Doubles and Triples
Tanker Vehicles
Hazardous Materials
Transporting Passengers
Contact
Privacy Policy
Take a Practice Test
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
Always
B
If the chlorine is in liquid form
C
If you're carrying more than 100 gallons
D
If the crossing is not protected by lights and crossing arms
Next