CDL PRACTICE TEST (WA) - GENERAL KNOWLEDGE TEST
21.
You should downshift:
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before exiting a curve.
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before starting down a hill or entering a curve.
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before starting up a hill.
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22.
During a walk around inspection, which of the following should you check?
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Condition of the front axle.
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Shock absorber condition.
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All of the above.
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23.
Over-length loads:
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may require special equipment such as "wide load" or flags.
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require special transit permits.
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All of the above.
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24.
During a trip you should check:
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pressure gauges.
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temperature gauges.
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All of the above.
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25.
Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
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red.
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yellow.
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blue.
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26.
When driving on slippery roads, you should NOT:
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brake any harder than necessary.
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use the speed retarder.
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All of the above.
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27.
In vehicles with air brakes, the air compressor governor:
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controls when the air storage tanks will pump air into the air compressor.
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controls when the air compressor will pump air into the air storage tanks.
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controls how much air the air compressor will pump into the air storage tanks.
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28.
Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
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2/8 inch
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4/32 inch
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6/24 inch
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29.
Before unloading explosive materials, you should:
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turn your engine off.
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connect heater power sources.
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keep the engine running.
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30.
When driving at night, you should:
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look directly at the lights of oncoming vehicles.
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put your own high beams on if other drivers don't put their low beams on.
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drive slowly enough to see obstacles with your headlights.
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