CDL PRACTICE TEST - GENERAL KNOWLEDGE (INDIANA)
21.
When is use of a drug given to a driver by a doctor permitted?
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Only if the doctor informs the driver that the drug won't affect safe driving ability.
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Only if it's a prescription drug.
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Never.
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Only if it's an over the counter drug.
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22.
If you double your speed, your braking distance will be:
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8 times longer.
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2 times longer.
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4 times longer.
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3 times longer.
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23.
Whenever you are about to pass a pedestrian, bicyclist, or vehicle, you should assume that they:
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are hard to see.
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could suddenly move in front of you.
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will move out of your lane of traffic.
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can see you.
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24.
Your mirrors should be adjusted so that:
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more than half of the mirror shows the vehicle.
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no part of the vehicle is visible in the mirror.
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a part of the vehicle is visible in the mirror.
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the rear of the vehicle is visible in the mirror.
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25.
When parked on the side of the road, you should:
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turn off all lights.
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use the 4-way emergency flashers.
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activate the right turn signal.
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flash your brake lights.
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26.
Which of the following is NOT TRUE?
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In many states, spill protection for covered cargo is a requirement.
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You should cover cargo to protect it from the weather.
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You should regularly inspect the contents of sealed loads.
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You should check that you don't exceed gross and axle weight limits.
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27.
When a tire fails, do NOT:
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stay off the brake until the vehicle has slowed down.
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keep a firm grip on the steering wheel.
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brake, unless you're about to run into something.
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None of the above.
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28.
When changing lanes, you should:
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do it quickly so other vehicles won't get into the lane.
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ensure that the vehicle behind you has moved into your blind spot.
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do it slowly, so a driver you did not see may have a chance to honk their horn.
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turn sharply.
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29.
If you are driving a 50 foot truck and you are traveling at 55 mph, you should have at least _________ of following distance.
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6 seconds
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12 seconds
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3 seconds
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5 seconds
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30.
You are driving a heavy vehicle with a manual transmission, and you have to stop on the shoulder while driving on an uphill grade. When putting your vehicle back in motion up the grade, you should:
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shift down to a speed that you can control without using the brakes.
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keep the clutch slipping while slowly accelerating.
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partly engage the clutch before you take your right foot off the brake.
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use the parking brake to hold the vehicle until the clutch engages.
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