DC CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
31.
To reduce driver distraction, you should do all of the following except:
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Pre-program radio stations
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Adjust mirrors before driving
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Plan your route before driving
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Eat while driving.
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32.
Which of the following statements about stopping distance is true?
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Braking distance is the distance your vehicle will travel, in ideal conditions, while you are braking.
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Perception distance is the distance your vehicle travels, in ideal conditions, from the time your eyes see a hazard until your brain recognizes it.
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Reaction distance is the distance you will continue to travel, in ideal conditions, before you hit the brakes.
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All of the above.
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33.
Which of the following statements is true?
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Delivery truck drivers are professionals and do not pose any hazard to you.
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Short-term or daily rental truck drivers are often not used to driving a large vehicle and may pose a hazard to you.
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You can always trust other drivers to turn in the direction that their turn signal is indicating.
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You do not have to worry about individuals driving cars with out-of-state license plates.
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34.
When you are prescribed medications, you should:
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ask your doctor if the drug will affect safe driving ability.
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stop taking the medication if you notice it is affecting your driving ability.
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also take medications that prevent drowsiness to stay alert.
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None of the above.
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35.
When driving, you should be alert for:
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drivers whose vision is blocked.
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people who are distracted.
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sleepy drivers late at night.
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All of the above.
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36.
If no qualified person is at the accident and an injured person is bleeding heavily, how can you give assistance?
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Keep the injured person cold.
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Apply direct pressure to the wound.
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Poor cold water on the wound.
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Look for a doctor.
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37.
What should you do if you doubt you have safe space to pass under a low bridge?
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If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
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Assume that the height posted at the bridges is correct.
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Go slowly, and take another route if you are not sure you can make it.
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Increase the weight of your vehicle to clearing under the bridge.
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38.
A passive railroad crossing is one that:
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does not have any type of traffic control device.
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has at least two traffic control devices installed at the crossing to regulate traffic.
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has a traffic control device installed at the crossing to regulate traffic.
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requires you to stop and wait until the traffic control device installed at the crossing tells you to proceed.
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39.
What is an "escape ramp"?
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A road shoulder made to support the weight of large vehicles and, therefore, offer an escape route.
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A short section of road by which traffic may leave a controlled access highway.
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A ramp built on steep mountain downgrades, made to stop runaway vehicles safely.
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None of the above.
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40.
The emergency equipment must include:
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3 red reflective triangles.
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Electrical fuses.
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Charged and rated fire extinguisher.
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All of the above.
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