CDL GENERAL KNOWLEDGE TEST (NY) - PRACTICE TEST
21.
Service lines are often coded with the color ____ to keep from getting them mixed up with the emergency line.
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orange
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blue
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yellow
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red
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22.
Do NOT use water on a _______ fire.
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gasoline
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wood
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cloth
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paper
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23.
Hanging meat in a refrigerated truck:
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should never be transported.
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can be a very unstable load.
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will not affect safe driving ability.
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creates a low center of gravity.
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24.
No matter how small the cargo is, it should have at least:
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1 tie-down.
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2 tie-downs.
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6 tie-downs.
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4 tie-downs.
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25.
Wheel rims that have had welding repairs:
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are safe.
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should be placed in the front.
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should not be used.
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None of the above.
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26.
If your vehicle thumps or vibrates heavily, it may be a sign that:
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one of the tires has gone flat.
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you need to shift up.
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the engine belt is loose.
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the brakes have failed.
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27.
Which of the following trailers can get stuck on raised crossings?
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Moving van
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Lowboy
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Car carrier
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All of the above.
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28.
When the wheels of a trailer lock up, the trailer will tend to swing around. This is more likely to happen when:
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the trailer is fully loaded.
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the trailer is empty or lightly loaded.
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the trailer is overloaded.
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None of the above.
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29.
In newer vehicles with air brakes, you put on the parking brake:
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moving the orange push-pull lever to the right.
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using a P-shaped, yellow control knob.
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placing the transmission in Park.
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using a diamond-shaped, yellow, push-pull control knob.
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30.
You hear a loud "bang" which sounds like a tire blowout. You should:
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keep driving as normal.
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check the tires at the next stop.
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inspect your tires with your mirrors.
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assume you
have a tire failure.
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