CDL GENERAL KNOWLEDGE TEST (CT) - PRACTICE TEST
21.
If you have to drive off the road to avoid a collision, you should:
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keep one set of wheels on the pavement, if possible.
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stay on the shoulder until your vehicle has come to a stop.
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avoid braking.
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All of the above.
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22.
When feeling fatigued you should:
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drink a cup of coffee.
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increase your speed to get to your destination faster.
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stop and rest.
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continue driving.
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23.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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maintain your current speed, and apply the brakes when you reach 50 mph to gradually reduce your speed to 40 mph.
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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increase your speed to approximately 45 mph, and then apply release the brakes.
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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24.
Mirror adjustment should be checked:
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only if you plan on using them.
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once a week.
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prior to the start of any trip.
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once a month.
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25.
The wheels of a large combination vehicle are more likely to lock up when:
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the trailer has new tires.
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the vehicle is lightly loaded.
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the vehicle is heavily loaded.
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you are traveling in very hot weather.
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26.
Which of the following statements about over-the-counter drugs is true?
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They are perfectly safe and legal.
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They are not considered drugs.
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They can be used while on duty, as long as you drink coffee to stay awake.
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They may affect safe driving ability.
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27.
To release the parking brakes:
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pull the parking brake control knob out.
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place the parking brake control knob in Neutral.
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push the parking brake control knob in.
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pump the brake pedal 3 times.
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28.
If you see a hazard ahead, you should:
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think about the emergencies that could develop and be prepared to take action.
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call the emergency services.
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come to a complete stop when safe to do so.
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none of the above.
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29.
The best way to see the rear and sides of your vehicle is to:
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use your rear view camera.
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check your mirrors regularly.
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roll down your driver's window.
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roll down your passenger-side window.
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30.
If you get stuck on railroad tracks, you should:
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get out of the vehicle and away from the tracks.
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have a helper push your vehicle.
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check the engine compartment quickly.
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stay in the vehicle and call for help.
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