CDL PRACTICE TEST (CO) - GENERAL KNOWLEDGE TEST
21.
If a worker is close to the roadway in a work zone, you should:
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reduce your speed below the posted speed limit.
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drive on the shoulder.
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pull off the road and stop.
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drive at the posted speed limit.
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22.
Drivers should adjust their mirrors:
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before driving.
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while driving.
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after driving.
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None of the above.
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23.
Distracted driving may be caused by _________ while driving.
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reading billboards
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adjusting the radio
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using your smartphone
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All of the above.
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24.
On a level surface:
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wheel chocks make it easier for the vehicle to roll.
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should never be used if the brakes are very wet.
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you should use wheel chocks to hold the vehicle.
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wheel chocks should not be used when the brakes are very hot.
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25.
Which of the following is not a rule for using turn signals?
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Cancel your signal after you have turned
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Don't signal unless another vehicle is behind you
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Signal continuously
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Signal early
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26.
If your vehicle is equipped with a front brake limiting valve, to ensure normal stopping power make sure the control is:
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in the "slippery" position.
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in the "normal" position.
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in the "neutral" position.
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in the "off" position.
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27.
When transporting hazardous waste, the Uniform Hazardous Waste Manifest must:
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be signed by a helper.
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be signed by hand.
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be signed by hand only when traveling to another state.
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not be signed.
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28.
Which of these is NOT something you should check during the pre-trip inspection of the engine compartment?
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Worn electrical wiring insulation
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Engine oil level
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Coolant level in radiator
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Brake controls
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29.
When making a left turn at an intersection, you should:
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always use your horn.
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always take the left turn lane if there are two turning lanes.
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reach the center of the intersection before you start the left turn.
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start your turn before reaching the center of the intersection.
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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 age.
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It depends on your weight.
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None.
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One.
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