CDL GENERAL KNOWLEDGE TEST (SOUTH CAROLINA) - PRACTICE TEST

21. Tests have shown that trucks with a high center of gravity are more likely to tip over, therefore you should:
distribute the cargo so the majority of the weight is on the steering axle.
distribute the cargo as low as possible.
put the lightest parts of the cargo under the heaviest parts.
All of the above.
22. If you doubt you have enough space to pass under a bridge, you should:
turn on your headlights.
turn on your 4-way emergency flashers.
go slowly.
drive faster.
23. When changing lanes, you should:
not use your turn signals.
not use your mirrors.
do it quickly.
None of the above.
24. Over-length loads:
may require special equipment such as "wide load" or flags.
require special transit permits.
require special driving care.
All of the above.
25. When a tire suddenly blows out while you are driving, what should you do first?
Hold the steering wheel firmly and stay off the brakes.
Use the parking brake.
Use controlled or stab braking.
Brake lightly and hold the steering wheel firmly.
26. Drivers should inspect their cargo and its securing devices within the first _______ after beginning the trip.
50 miles
25 miles
100 miles
15 miles
27. To keep your vehicle from rolling back when you start, you should:
pump the brakes.
partly engage the clutch before you take your foot off the brake.
turn the engine off before you take your foot off the brake.
apply the emergency brake whenever necessary.
28. Stopping distance can be affected by:
Speed
Time of day
Temperature
All of the above.
29. ABS:
helps you increase your average speed.
improves your visibility at night.
helps you increase your following distance.
does not decrease your stopping distance.
30. In an emergency:
stopping is not always the safest thing to do.
stopping is always the best thing to do.
you should never turn to miss an obstacle.
you should keep one hand on the steering wheel.
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