IA CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
When preparing to make a right turn, you should NOT turn wide to the left as you start the turn. Why?
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Turning wide to the left can cause your vehicle to tilt.
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It makes the turn harder.
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A following driver may try to pass you on the right.
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22.
When backing, as soon as you see the trailer getting off the proper path, you should:
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turn the top of the steering wheel in the direction of the drift.
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turn the top of the steering wheel in the opposite direction of the drift.
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to keep a firm grip on the steering wheel and continue backing.
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23.
If a trailer does not have spring brakes, to keep the trailer from moving you should:
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use the service brakes.
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park on a slight decline.
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use wheel chocks.
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24.
When approaching a double railroad track, you should:
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expect to hear a train when it's approaching.
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rely upon the presence of warning signals.
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remember that a train on one track may hide a train on the other track.
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25.
Dry bulk tanks require special care because:
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they have a high center of gravity.
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take up more space than other CMVs.
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they have a low center of gravity.
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26.
To recognize when it's time to shift up to a higher gear, use:
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engine speed (rpm) and road signs.
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engine sounds and road signs.
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engine speed (rpm) and road speed (mph).
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27.
When checking your mirrors you should:
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use both mirrors.
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only use the passenger side mirror.
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only use the driver side mirror.
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28.
Antilock brakes:
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let you drive faster.
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decrease your stopping distance.
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None of the above.
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29.
Which of these is NOT something you should check during the pre-trip inspection of the engine compartment?
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Engine oil level
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Brake controls
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Coolant level in radiator
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30.
How many glasses of wine can you drink without increasing the chances of a crash?
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It depends on your weight.
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One.
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None.
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