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The rate of flow of a certain liquid of viscocity through a horizontal capillary of length l and radius r is Q when the pressure head at the inlet is just twice the atmospheric pressure. The rate of flow of the same liquid through another capillary of length 2 l and radius 2 r when the inlet pressure head is 4 times the atmospheric pressure will be (The outlet being open to atmosphere in each case)

Options

  1. A24 Q
  2. B16 Q
  3. C8 Q
  4. D4Q

Correct answer

A. 24 Q

Step-by-step solution

No Solution

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