It is required to design a circular pipe such that water flowing through it at a speed of 7 metre per minute fill the tank of capacity 440 cubic metres in 10 minutes radius of the pipe should be
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Answer:
V = L A where volume = length * area
V/t = L A / t = (L / t) A = A v where = speed of water
440 / 10 = 7 A
A = 44 / 7 = 2 * pi accuracy to given significant figures
A = pi R^2
R^2 = 2 * pi / pi = 2
R = 2^1/2 = 1.41 m
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