If is discharge is cubicmetres per sec and is the economical diamete – McqOptions

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1.	If is discharge is cubicmetres per sec and is the economical diameter of the pipe. According to Lea
A.	= 0.67 to 0.87
B.	= 0.77 to 0.97
C.	= 0.97 to 1.22
D.	= 1.22 to 1.33
E.	.
Answer» D. = 1.22 to 1.33

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