What is Lacey’s equation for fixing the approximate value of the req – McqOptions

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1.	What is Lacey’s equation for fixing the approximate value of the required waterway for the drain?
A.	P = 4.75 Q
B.	P = 4.57 Q
C.	P = 4.75 Q^1/2
D.	P = 4.57 Q^1/2
Answer» D. P = 4.57 Q^1/2

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