CDL PRACTICE TEST (KS) - GENERAL KNOWLEDGE TEST
21.
Which of the following statements about staying alert while driving is true?
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If you are drowsy, the only safe cure is to stop and take a fresh shower.
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Some drugs can overcome fatigue.
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Drinking a cup of coffee will do more to keep you alert than a 20 minute nap.
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None of the above.
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22.
When checking the engine compartment:
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the engine should be running.
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the parking brake should be on.
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you should put the gearshift in neutral.
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wheels should not be chocked.
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23.
If you smell exhaust fumes in the cab, you should:
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wait for the next stop, then inspect your vehicle.
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remember to conduct a post-trip inspection.
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stop immediately.
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open the windows.
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24.
With an engine fire, you should NOT:
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shoot foam from the vehicle’s underside.
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open the hood.
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turn the engine off as soon as possible.
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None of the above.
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25.
To correct a drive-wheel braking skid, you should:
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steer into the skid.
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stop braking and countersteer.
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fully apply the brakes until you stop.
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release the clutch and press the accelerator at the same time, then countersteer.
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26.
If you have a HazMat endorsement and renounce your U.S. citizenship:
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you may keep your endorsement until your next license renewal date.
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you may transfer your endorsement to a trusted U.S. citizen.
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you may keep your endorsement if you pass the exam for non-U.S. citizens.
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you will lose your HazMat endorsement.
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27.
When using a turn signal, which of the following is NOT true?
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You should cancel the signal before completing the turn.
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You should turn off your turn signal after you've turned.
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You should signal early.
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You should signal continuously.
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28.
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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requires you to stop and wait until the traffic control device installed at the crossing tells you to proceed.
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has a traffic control device installed at the crossing to regulate traffic.
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29.
Headlights:
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should be out of adjustment.
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can blind other drivers.
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must be turned on a half hour before sunset to a half hour after sunrise.
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should not be used when driving at night.
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30.
When making a left turn at an intersection, you should:
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reach the center of the intersection before you start the left turn.
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always take the left turn lane if there are two turning lanes.
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start your turn before reaching the center of the intersection.
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always use your horn.
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