CO CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
Hydroplaning is more likely if:
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the road is wet.
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tire tread is worn.
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tire pressure is low.
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All of the above.
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22.
The definition of Gross Vehicle Weight is:
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Total weight of a single vehicle + cargo
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Total weight of cargo
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Axle weight + cargo weight
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Total weight of a single vehicle minus fuel
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23.
You should always be able to stop within:
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the distance you can see ahead.
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25 feet.
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100 feet.
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50 feet.
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24.
Confused drivers can be very hazardous. Clues to confusion include:
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driving very slowly.
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stopping in the middle of an intersection.
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changing direction suddenly.
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All of the above.
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25.
An Anti-lock Braking System (ABS):
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keeps your wheels from locking up when you brake hard.
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increases your normal braking capability.
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always shortens your stopping distance.
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lets you drive faster.
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26.
The best way to recognize that your trailer has started to skid is:
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by recognizing tire failure.
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by opening the window and feeling the front of the mirror.
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by seeing it in your mirrors.
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by feeling the brakes come on.
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27.
The law requires __________ to inspect a commercial motor vehicle before a trip.
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a qualified testing engineer
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the driver
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a qualified inspection technician
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the owner
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28.
When you park, you should try to park:
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on the shoulder of the road.
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so you'll be able to pull forward when you leave.
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so there is enough room to back out.
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None of the above.
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29.
With an engine fire, you should NOT:
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shoot foam from the vehicle’s underside.
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open the hood.
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turn the engine off as soon as possible.
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None of the above.
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30.
Why should you avoid driving too near the edge of the road?
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Driving too near the edge of the road can cause the top of your vehicle to hit roadside objects.
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To keep other vehicles from passing you.
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To get a better view of the road ahead.
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All of the above.
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