SOUTH CAROLINA CDL COMBINATION PRACTICE TEST

11. Over-length loads:
require special driving care.
require special transit permits.
may require special equipment such as "wide load" or flags.
All of the above.
12. When backing a trailer, you should:
turn the steering wheel in the direction you want to go.
avoid correcting the drift.
try to position your vehicle so you can back in a straight line.
never make pull-ups to reposition your vehicle.
13. When looking at your cargo covers in the mirrors while driving, you must be aware that a flapping cover:
means that the cargo is balanced.
helps keep the cargo as close to the ground as possible.
can tear loose, uncovering the cargo.
keeps the cargo cool.
14. If you get stuck on the railroad tracks, the first thing you should do is:
immediately get out of the cab and move away from the tracks.
try to move your vehicle until you see the train.
stay in your vehicle and call 911.
scream for help.
15. If your vehicle gets stuck on the railroad tracks, you should:
get out of your vehicle and away from the tracks.
gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.
check for identifiable landmarks to give the location of the crossing.
All of the above.
16. ABS helps you:
increase your normal braking capability.
steer gently and smoothly while you are braking.
stop much faster.
avoid wheel lock up and maintain control of your vehicle when you brake.
17. When you make a quick lane change, the crack-the-whip effect can turn the trailer over. The crack-the-whip effect is caused by:
rearward amplification.
worn tire tread.
the rear trailer of a triple.
strong wind.
18. When using a fire extinguisher, you should stay:
as close to the fire as possible, without getting burnt.
at least 10 feet away from the fire.
as far away from the fire as possible.
at whatever distance you think is safe.
19. Dual tires:
should come in contact with each other whenever possible.
should not come in contact with each other.
should always come in contact with each other.
are dangerous.
20. Which of the following is NOT part of a trailer air line system?
Service air-line
Emergency air-line
Glad hands
Kingpin
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