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Wisconsin Class D Knowledge Test Practice

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Weather, Visibility & EmergenciesStandalone practice

The air temperature is 34°F, and the highway is wet but not yet icy. Where are you most likely to find ice first?

Two equally styled cross-sections compare a ground-supported road and an elevated bridge deck. Both have the same unmarked wet surface; the card repeats the given air temperature.

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Your car has anti-lock brakes (ABS). On a wet road, the car ahead stops suddenly, and you brake hard. The brake pedal starts to pulse under your foot, and you hear a grinding noise. What should you do?Just after sunset on a rural road, you see a pair of eyes shine in your headlights near the ditch ahead. It looks like a deer. What should you do?You drive on a city street and press the brake pedal. The pedal sinks to the floor, and the car does not slow down. What should you do first?Your older car does not have an anti-lock braking system (ABS). On an icy road, you must slow down quickly for stopped traffic ahead. How should you brake?On a highway with a 55 mph speed limit, you come up behind a snowplow that is spreading salt. Its warning lights flash. What is the closest that you may follow it?Sunset today is at 7:40 p.m. The sky is still bright, and you can see clearly for more than 500 feet. By what time at the latest must your headlights be on?

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