Multiple choice general knowledge sports

If water is flowing with a velocity of "V" in a pipe of "d" diameter. What is the flow rate of water

  1. v x pi x d

  2. v x d

  3. v x (pi x d x d)/4

  4. (v x 4 )/ (pi x d x d)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Flow rate = velocity × cross-sectional area. For a circular pipe, area = πd²/4, so Q = v × (π × d × d)/4.

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