SOUTH DAKOTA CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
Weight that is loaded so there is a high center of gravity:
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makes a vehicle easier to handle.
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causes greater chance of rollover.
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reduces the chance that the load will shift to the side or fall off.
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All of the above.
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22.
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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23.
If your vehicle is equipped with a front brake limiting valve, to ensure normal stopping power make sure the control is:
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in the "slippery" position.
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in the "normal" position.
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in the "neutral" position.
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in the "off" position.
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24.
When checking the lights before driving:
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you should turn off the engine.
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make sure the parking brake is not set.
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you should check them from inside the vehicle.
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the engine must be running.
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25.
Rough acceleration can cause:
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mechanical damage.
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damage electrical and brake lines.
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tire damage.
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All of the above.
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26.
To reduce driver distraction, you should do all of the following except:
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Pre-program radio stations
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Eat while driving.
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Plan your route before driving
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Adjust mirrors before driving
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27.
ABS:
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makes it easier to break.
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makes it easier to turn.
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allows the wheels to lock up.
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helps you avoid wheel lock up.
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28.
You hear a loud "bang" which sounds like a tire blowout. You should:
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assume you
have a tire failure.
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inspect your tires with your mirrors.
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check the tires at the next stop.
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keep driving as normal.
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29.
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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can see you.
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will move out of your lane of traffic.
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30.
If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
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6 seconds
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4 seconds
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3 seconds
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5 seconds
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