CDL HAZMAT PRACTICE TEST SOUTH DAKOTA

21. After an accident, an improper use of flares could cause:
the springs to put on the brakes.
air pressure to build from 50 to 100 psi within 2 minutes.
the vehicle to slide back and forth.
a fire if spilled fuel is on the ground.
22. Weight that is loaded so there is a high center of gravity:
causes greater chance of rollover.
reduces the chance that the load will shift to the side or fall off.
makes a vehicle easier to handle.
All of the above.
23. The posted speed limit:
should only be exceeded when passing other vehicles.
is only a suggestion.
may only be exceeded when driving in rural areas.
should never be exceeded.
24. A placarded vehicle must have a fire extinguisher with a rating of:
5 B:C or more
5 A:B or more
10 B:C or more
10 A:B or more
25. When driving trucks with trailers, drivers should:
decrease their following distance.
make quick lane changes.
push the brake pedal to the floor when braking.
avoid making sudden movements with the steering wheel.
26. Explosives, flammable gases and flammable liquids should not be placed in a cargo space that has:
reflective triangles.
placards.
an air conditioner.
a heater.
27. For hazardous waste, shippers must keep a copy of shipping papers for _______  after the material is accepted by the initial carrier.
2 years
3 years
6 months
1 year
28. Which of the following is NOT something you must know in order to determine if you need to use placards?
The amount of hazardous material being shipped.
The amount of all hazardous materials of all classes on your vehicle.
The material's hazard class.
The manufacturing date of the materials.
29. When confronted by an aggressive driver, you should:
avoid eye contact.
call the police, if you have a cell phone and can do it safely.
make every attempt to get out of their way.
All of the above.
30. At a rest area, you discover your hazardous materials shipments is leaking. There is no phone around. You should:
never park your vehicle.
send someone else for help and give that person all of the necessary information.
keep driving slowly until you reach a truck stop.
continue driving in order to find a phone.
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