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Fluid Mechanics: Continuity MCQ

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ContinuityMediumQuestion 30964

Question

A horizontal pipe has cross section 10 cm² at point A and 5 cm² at point B. If speed at A is 3 m/s, speed at B is:
  1. A
    1.5 m/s
  2. B
    6 m/s
    Correct
  3. C
    9 m/s
  4. D
    3 m/s

Correct answer

6 m/s

Explanation

A₁v₁ = A₂v₂. 10×3 = 5×v₂ → v₂ = 6 m/s.

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