What is the primary danger when driving through deep standing water on a flooded roadway?

Answer and explanation

Correct answer: C. Water entering the engine intake causes catastrophic hydrostatic lock

  1. Step 1: Hazards of deep water wading. Step 2. If water enters the engine air intake, cylinders cannot compress water (hydro-lock), causing bent connecting rods and engine destruction. Answer: Water entering the engine intake causes catastrophic hydrostatic lock. Why not the others: Catalytic cooling is secondary; tires do not deflate; lightning is not attracted by water puddles.

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