CDL GENERAL KNOWLEDGE TEST (SOUTH CAROLINA) - PRACTICE TEST
11.
When driving in heavy rain, your brakes will get wet. Water in the brakes can cause:
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lack of braking power.
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the brakes to apply unevenly.
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wheel lockups.
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All of the above.
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12.
During a pre-trip inspection, when checking the power steering hoses, you should:
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check for leaks.
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look for broken or distorted coil springs.
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check for damaged or bent rims.
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check that the brake chambers are not leaking.
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13.
When going down long, steep downgrades:
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your speed will decrease.
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your speed will increase.
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your speed will stay about the same.
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None of the above.
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14.
Which of these statements about using your mirrors is FALSE?
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You should use your mirrors to spot overtaking vehicles.
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When driving, you should check mirrors regularly to know where other vehicles are around you.
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There are blind spots that your mirrors cannot show you.
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None of the above.
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15.
Why should you check your mirrors regularly to know where other vehicles are around you?
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To flash the brake lights if you are being tailgated.
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To move out of their way if they want to get past.
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To better assess your own speed.
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To know whether you can make a quick lane change in an emergency.
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16.
While driving at night, use __________ when it is safe and legal to do so.
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interior lights
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low beams
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emergency flashers
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high beams
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17.
When steering to avoid a crash, you should:
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not turn any more than needed to clear what is in your way.
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apply the brakes while turning.
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steer with one hand so that you can turn the wheel more quickly.
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All of the above.
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18.
To prevent getting sleepy while driving, you should:
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keep cool by opening the window.
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drive alone whenever possible.
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close the vent.
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keep the cab warm.
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19.
You should check wheel bearing seals for:
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illegal stickers.
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broken leaf springs.
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gasoline.
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leaks.
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20.
When driving in hot weather:
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antifreeze should be avoided.
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the the tires' air pressure will decrease.
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the engine oil helps keep the engine cool, as well as lubricate it.
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None of the above.
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