CDL GENERAL KNOWLEDGE TEST (MISSISSIPPI) - PRACTICE TEST
21.
The _______ applies and releases the brakes when you use the brake pedal during normal driving.
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parking brake system
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trailer brake system
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emergency brake system
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service brake system
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22.
When should you sound your horn?
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When using your horn can help avoid an accident.
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When steering around an obstacle.
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When you are being tailgated by an aggressive driver.
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When you are about to change lanes.
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23.
If the drive wheels begin to spin, you should:
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apply your brakes all the way.
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accelerate smoothly and change gears as necessary.
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wait 4-5 seconds before applying the accelerator.
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take your foot off the accelerator.
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24.
When possible, you should park:
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so you will have to back up when you leave.
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on the shoulder.
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so you will be able to pull forward when you leave.
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on the roadway.
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25.
Cargo tie-downs are used to:
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prevent right-turn accidents.
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prevent freezing.
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keep cargo from shifting or falling.
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prevent skidding.
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26.
When transporting a load, the cargo should be inspected:
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by your supervisor.
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only after driving.
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after every break you take during your trip.
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by a helper.
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27.
An advantage of going right instead of left around an obstacle is that:
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Turning right comes more natural in emergency situations.
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By turning right, you will force other drivers into an opposing traffic lane.
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No one is likely to be driving on the shoulder, but someone may be passing you on the left.
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There is no real advantage.
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28.
If your trailer starts to skid, you should:
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release the brakes.
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pump the brakes.
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steer in the opposite direction.
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lock the brakes.
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29.
When backing a truck you should:
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get out and walk around the vehicle before you begin to back.
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back and turn toward the right side.
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always rely on your mirrors.
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look straight ahead.
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30.
The best advice for driving in fog is:
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listen for fog-related warning signs.
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turn on your 4-way emergency flashers and slow down before you enter fog.
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pass other vehicles on the right.
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do not drive.
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