TENNESSEE CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
If there is a fire in your vehicle, do NOT:
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pull into a service station.
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park in an open area.
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park away from buildings and other vehicles.
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notify emergency services.
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22.
_____ is a thin layer of ice that forms on road surfaces.
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White ice
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Black ice
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Grey ice
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Blue ice
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23.
Under a pressurized system, the radiator cap:
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should never be removed until the system has cooled.
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should never be hot.
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should always be cool.
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should be removed when the coolant is hot.
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24.
Which of the following is checked in a pre-trip inspection?
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Wiper blades
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Mirrors and windshield
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Steering wheel
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All of the above.
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25.
In an emergency:
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you should never turn to miss an obstacle.
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stopping is not always the safest thing to do.
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stopping is always the best thing to do.
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you should keep one hand on the steering wheel.
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26.
In some states, move-over laws require drivers to:
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obey the directions given by police officers at railroad crossings.
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slow and change lanes when approaching a roadside incident.
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submit to a chemical test to determine their BAC when requested by a peace officer.
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All of the above.
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27.
If you doubt you have enough space to pass under a bridge, you should:
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go slowly.
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turn on your headlights.
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drive faster.
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turn on your 4-way emergency flashers.
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28.
Shaded parts of the road:
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usually are not slippery.
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usually don't freeze.
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will melt before open areas.
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will remain icy and slippery after other areas have melted.
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29.
ABS (anti-lock braking system):
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increases your normal braking capability.
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keeps your brakes from locking up when you brake hard.
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always shortens your stopping distance.
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lets you drive faster.
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30.
When traction is poor, as in rain or snow, you should speed up very gradually. If you don't:
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you could lose control.
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the brakes will not work.
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brake pressure will push the rod out.
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you will exceed the speed limit.
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