Practice question

During heavy rainstorms, what dangerous physical phenomenon occurs when a water wedge builds up between the tire tread and the wet pavement, causing complete loss of steering control?

  1. Engine vapor lock
  2. Hydroplaning (水滑现象); the driver should hold the steering wheel firmly, release the accelerator, avoid sudden harsh braking, and let the vehicle decelerate naturally
  3. Differential lockup
  4. Brake fade

Answer: B — Hydroplaning (水滑现象); the driver should hold the steering wheel firmly, release the accelerator, avoid sudden harsh braking, and let the vehicle decelerate naturally

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