CDL GENERAL KNOWLEDGE TEST (SD) - PRACTICE TEST

41. When you are being tailgated, you should NOT:
increase your following distance.
avoid quick changes.
turn on your taillights.
All of the above.
42. The air storage tanks:
are connected to the engine through gears or a v-belt.
protects the tank and the rest of the system from too much pressure.
stop the compressor from pumping air.
are used to hold compressed air.
43. If a load is 50 feet long, the minimum number of tie-downs required is:
10
3
4
5
44. The amount of liquid to load into a tank depends on:
the weight of the liquid.
legal weight limits.
the amount the liquid will expand in transit.
All of the above.
45. In cool weather, as the temperature rises to the point where ice begins to melt:
it is safe to drive.
black will makes the road look wet.
traction will increase.
the road will become more slippery.
46. When driving at night, you should:
put your own high beams on if other drivers don't put their low beams on.
use dark lenses if possible.
look directly at the lights of oncoming vehicles.
drive slowly enough to see obstacles with your headlights.
47. Which of the following is a common cause of fire?
Short circuits due to loose connections.
Improperly sealed cargo.
Under-inflated tires and duals that touch.
All of the above.
48. Checking the engine compartment during the seven-step inspection does NOT include checking:
the battery fluid level.
the power steering fluid level.
the engine oil level.
the engine oil temperature.
49. When using a turn signal, which of the following is NOT true?
You should turn off your turn signal after you've turned.
You should signal continuously.
You should signal early.
You should cancel the signal before completing the turn.
50. Driving without a CDL, or with a suspended CDL, incurs:
prison time.
a civil penalty or, in aggravated cases, criminal penalties.
a large fine.
All of the above.
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