IN CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
31.
How many drinks per hour can be handled by the liver?
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About 4 drinks per hour.
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About 2 drinks per hour.
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About 3 drinks per hour.
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About 1 drink per hour.
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32.
The space under a heavily loaded vehicle can be very small. This can cause problems:
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when crossing railroad tracks.
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on unpaved yards.
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on dirt roads.
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All of the above.
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33.
With an engine fire, you should:
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turn the engine off as soon as possible.
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open the hood as soon as possible.
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not shoot foam from the vehicle’s underside.
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All of the above.
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34.
Black ice is:
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ice that makes the road look dry.
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a thin layer of black ice.
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a thick layer of ice.
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None of the above.
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35.
When a tire suddenly blows out while you are driving, what should you do first?
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Use controlled or stab braking.
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Hold the steering wheel firmly and stay off the brakes.
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Brake lightly and hold the steering wheel firmly.
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Use the parking brake.
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36.
Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?
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Time of day
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Length and steepness of grade
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Weather
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Total weight of the vehicle and cargo
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37.
If the air pressure gets too low:
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ABS will help maintain vehicle control.
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the brakes will not work.
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you should set the parking brake.
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the brakes will lock up.
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38.
When driving on wet roads, you should:
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reduce speed by 60%.
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pull of the road and get some rest.
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follow the vehicle ahead more closely than under ideal driving conditions.
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reduce speed by about one-third.
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39.
The size of motorcycles can cause you to misjudge their speed and distance. You should:
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check twice for motorcycles before pulling out into traffic.
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use extra caution before you pull out in front of a motorcycle.
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never share lanes with motorcycles.
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All of the above.
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40.
When loading cargo, keep the load:
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balanced in the cargo area.
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on the side away from most traffic.
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to the rear.
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to the front.
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