ALASKA CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
The height of the vehicle's center of gravity:
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should only be a concern when driving a vehicle.
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should only be a concern when loading a vehicle.
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is very important for safe handling.
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22.
An anti-lock braking system (ABS):
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helps you avoid wheel lock up.
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helps you avoid skids caused by over braking.
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All of the above.
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23.
If your vehicle gets stuck on a railroad track, you should:
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get out of the vehicle and walk as far away from the tracks as possible.
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stay in the vehicle and call for help.
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try to re-start the vehicle.
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24.
You should signal your intention to turn at least ____ before turning or changing lanes.
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50 feet
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250 feet
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100 feet
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25.
During a hazardous materials emergency, you should:
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prevent smoking and keep open flames away.
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keep everyone away.
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All of the above.
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26.
When the road is slippery, you should:
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release the accelerator and push in the clutch.
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reduce your speed.
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slightly increase your speed to reach the next stop.
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27.
You should always be able to stop within:
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50 feet.
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the distance you can see ahead.
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100 feet.
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28.
When water collects on the road. your vehicle can:
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hydroplane.
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accelerate.
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stop suddenly.
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29.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
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Total Stopping Distance
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Stopping Distance - (minus) Brake Fade Distance
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Total Air Pressure
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30.
To prevent drowsiness before a trip, you should:
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avoid medications that cause drowsiness.
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drink 2 cups of coffee.
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drive with the windows rolled down.
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