North Carolina Class C Knowledge Test Practice
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Passing target: 80% (24/30)
You drive in heavy rain on a highway. You hear a slushing sound from your tires, and the steering wheel suddenly feels loose. What should you do?
Car A travels through standing water on a highway in heavy rain. The card describes a slushing sound from the tires and a suddenly loose steering wheel; no recovery path appears in the question.
Correct answer: Lift your foot off the gas, keep the wheel straight, and do not brake
Why
Hydroplaning happens when a thin layer of water lifts the tires off the road. It can start at speeds as low as 30 mph in water only about 1/8 inch deep, and the risk grows as speed increases. Tires with deep tread and correct air pressure help prevent it. Puddles can stay on the road for hours after the rain stops, so stay careful.
Verified against North Carolina Driver Handbook · Hydroplaning · p. 74
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