IDAHO DMV PRACTICE TEST
21.
In a heavy rain, tires can ride on a thin film of water, without touching the road. This is called:
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Rainplaning.
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Wetplaning.
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Hydroplaning.
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Waterplaning.
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22.
To avoid traction loss from hydroplaning, drivers should:
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Slow down.
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Keep a constant speed.
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Apply the brakes as soon as the car starts to skid.
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All of the above.
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23.
A traffic sign with a red circle around and a slash over a symbol means:
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The maneuver shown on the sign should be executed with extreme caution.
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The maneuver shown by the symbol is not allowed.
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The maneuver shown on the sign can be executed only after yielding to other vehicles.
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Do not drive faster than the posted speed limit.
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24.
When you hear the warning signal or see the warning lamps of an emergency vehicle, you must:
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Provide a clear path for the emergency vehicle and stop.
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Drive slowly until the emergency vehicle has passed.
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Sound your horn to alert the other drivers that they must slow down.
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Immediately come to a complete stop.
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25.
If a Pedestrian Hybrid Beacon (PHB) signal is flashing yellow, it means:
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Drivers approaching the crosswalk should come to a complete stop.
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The signal is about to turn off.
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Drivers approaching the crosswalk should slow down.
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Drivers approaching the crosswalk may proceed with caution.
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26.
When driving on the freeway behind a large truck, you should:
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Drive farther behind the truck than you would for a passenger vehicle.
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Drive closely behind the truck in bad weather because the driver can see farther ahead.
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Drive no more than one car length behind the truck so the driver can see you.
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Decrease your following distance to improve fuel efficiency.
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27.
Warning signs that indicate hazards ahead have ______ letters or symbols on a _____ background.
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red; white
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black; yellow
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white; blue
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white; green
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28.
Give the right-of-way to any pedestrian who is:
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On the pavement.
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Crossing the street in any marked or unmarked crosswalk.
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Waiting for their traffic signal to turn green.
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None of the above.
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29.
This road sign means:

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Be prepared to stop if the light is flashing.
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Traffic signal ahead.
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Roundabout ahead.
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Pedestrian crossing ahead.
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30.
What should you do if a vehicle is approaching head-on in your lane?
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Pull over to the left and use your emergency lights to stop the other driver.
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Turn off the ignition if your vehicle has power steering.
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Come to a complete stop and use your horn to warn the vehicles behind you.
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Decrease speed, pull over to the right and sound your horn to warn the other driver.
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