CDL GENERAL KNOWLEDGE TEST (ALASKA) - PRACTICE TEST
11.
When driving on wet roads, you should reduce your speed by about:
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one-third.
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one-fifth.
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one-half.
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12.
As your blood alcohol concentration (BAC) builds up, which of the following is affected?
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Vision
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Muscle control
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All of the above.
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13.
To calculate how much space you should keep in front of you:
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add 4 seconds for each 10 feet of vehicle length at speeds below 40 mph.
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count off the seconds until you reach the vehicle ahead.
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count off the seconds from when the vehicle ahead of you passes some clear landmark to when you reach that same landmark.
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14.
Which of the following is a clue to a drunk driver?
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Not changing lanes
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Driving at a constant speed
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Waiting too long at a stop
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15.
Transporting livestock requires special attention. Why?
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Because livestock can lean on curves.
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Because livestock can move around in a trailer.
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All of the above.
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16.
The weight of a truck:
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has an impact on stopping distance.
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is not as important as the vehicle's center of gravity in determining stopping distance.
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has no effect on stopping distance.
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17.
When a vehicle goes around a corner, the rear wheels:
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follow a different path than the front wheels.
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will turn freely.
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follow the same path as the front wheels.
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18.
When you have to back, you should use a helper:
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when you need to back on a curved path.
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whenever possible.
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only when you back up with a trailer.
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19.
When should you be particularly careful about high winds?
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When emerging from a tunnel
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When driving at night
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When going downhill
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20.
Right after it starts to rain, the road is very slippery. Why?
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Because the water mixes with oil left on the road by vehicles.
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Because rain is very slippery.
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Because black ice may form on the road.
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