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HAZMAT CDL PRACTICE TEST - SOUTH CAROLINA

21. When driving trucks with trailers, drivers should:
avoid making sudden movements with the steering wheel.
push the brake pedal to the floor when braking.
make quick lane changes.
decrease their following distance.
22. When driving a 50 foot vehicle at 50 mph, how much space should you keep in front of you?
5 seconds
3 seconds
4 seconds
6 seconds
23. Hazardous materials may be transported:
by a CDL holder with a tank vehicles endorsement.
by any driver with a Certification of Driving Experience.
by a CDL holder with a HazMat endorsement.
by any driver with a CDL license.
24. If your vehicle does not have racks to hold cylinders of compressed gas, the cylinders must be:
held upright.
less than half of the cargo.
bundled together with steel strapping.
held upside down.
25. If your brakes fail on a steep mountain downgrade, you should:
go right if the shoulder is clear.
change lanes after making sure there is enough room.
use an escape ramp if it is available.
leave the road immediately.
26. The power unit of placarded vehicles must have a fire extinguisher with a UL rating of _______ or more.
10 A:B
15 B:C
20 B:C
10 B:C
27. Placards are used:
to protect the accident area.
to warn other drivers when the load on the vehicle extends 4 feet or more beyond the rear of the body.
to warn others of hazardous materials.
to warn other drivers about the risks of tailgating.
28. Some packages of ________ bear a "transport index", which tells the degree of control needed during transportation.
explosives
corrosive liquids
radioactive materials
flammable liquids
29. When possible, you should park:
so you will have to back up when you leave.
on the shoulder.
on the roadway.
so you will be able to pull forward when you leave.
30. The maximum amount of play in a 20-inch steering wheel is:
1/2 inch
1/4 inch
2 inches
5 inches
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