GENERAL KNOWLEDGE CDL TEST WISCONSIN - PRACTICE TEST
21.
When faced with an emergency, drivers should:
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drive away as quickly as possible.
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come to a stop if it is safe to do so.
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immediately drive to the nearest police station.
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make a U-turn and go in the opposite direction.
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22.
Which of the following statements about hydroplaning is true?
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Hydroplaning is more likely if tire tread is worn.
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If your vehicle is hydroplaning, you should use the brakes to slow down.
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Hydroplaning usually occurs at speeds lower than 30 mph.
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Hydroplaning is less likely if tire pressure is low.
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23.
Wheel and rim problems include:
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rust around wheel nuts.
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mismatched lock rings.
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missing clamps.
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All of the above.
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24.
Your safety equipment must include:
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spare electrical fuses (only if your vehicle is equipped with circuit breakers).
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a dimmer switch.
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a properly charged and rated fire extinguisher.
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an inter-axle differential lock.
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25.
How do you put on the parking brake on newer vehicles?
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By using a round yellow knob.
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By move a yellow lever to the left.
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By pushing in Push in a diamond-shaped yellow knob.
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By pulling out a diamond-shaped yellow knob.
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26.
When your drive wheels have poor traction, you should:
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only use the retarder on the front wheels.
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turn the retarder on.
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turn the retarder off.
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only use the retarder on the rear wheels.
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27.
Which of the following statements about driving in cold weather is true?
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Exhaust system leaks are less dangerous in cold weather.
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Brakes will never fade or fail from excessive heat caused by using
them too much.
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An engine cannot overheat when the weather is very cold.
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You should use windshield washer antifreeze.
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28.
To prevent fire, you should:
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check that the fire extinguisher is charged.
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inspect the electrical, fuel, and exhaust systems.
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inspect tires and cargo.
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All of the above.
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29.
The amount of liquid to load into a tank depends on:
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legal weight limits.
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the amount the liquid will expand in transit.
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the weight of the liquid.
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All of the above.
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30.
If you doubt you have enough space to pass under a bridge, you should:
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turn on your 4-way emergency flashers.
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drive faster.
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turn on your headlights.
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go slowly.
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