CDL GENERAL KNOWLEDGE TEST (CO) - PRACTICE TEST
31.
At highway speeds, good drivers look at least _______ ahead.
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1/4 mile
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1 mile
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150 feet
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1/2 feet
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32.
Move-over laws require drivers to _________ when approaching an emergency vehicle stopped on the roadside or a work zone.
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stop
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sound their horn
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change direction
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slow down and change lanes
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33.
If you are feeling drowsy behind the wheel, the only safe cure is to:
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pull off the road and get some sleep.
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drink a cup of coffee.
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drink energy drinks.
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open your windows, allowing fresh air inside your vehicle.
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34.
Strong winds can make it difficult to stay in your lane, especially when:
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coming out of tunnels.
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driving alongside other vehicles.
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going into tunnels.
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driving at speeds below 40 mph.
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35.
Whether or not you load and secure your load yourself, you are responsible for:
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recognizing overloads and poorly balanced weight.
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inspecting your cargo.
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knowing your cargo is properly secured.
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All of the above.
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36.
Total stopping distance equals:
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Perception distance + reaction distance + braking distance
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Braking distance + viewing distance
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Perception distance + braking distance
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Reaction distance - following distance + braking distance
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37.
You should not use your horn unnecessarily. Why?
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On vehicles possessing air brakes, it uses up air pressure you may need to be able to stop
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The horn can startle other drivers, which could be dangerous.
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The horn on a vehicle wears out very quickly
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All of the above.
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38.
You should schedule trips for:
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the hours you are normally awake.
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any time that fits your schedule.
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the middle of the day.
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the middle of the night.
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39.
To back safely, you should NOT:
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use a helper whenever possible.
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back to the right side whenever possible.
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look at your line of travel before you begin backing.
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back as slowly as possible and use the lowest reverse gear.
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40.
If the road is icy, you should:
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put the transmission in neutral and stay off the brake until the vehicle has slowed down, then pull off the road and stop.
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reduce speed to a crawl and stop driving as soon as you can safely do so.
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maintain your current speed and stop driving as soon as you can safely do so.
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All of the above.
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