A pipe is defined as ‘hydraulically smooth’, if the friction facto – McqOptions

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1.	A pipe is defined as ‘hydraulically smooth’, if the friction factor_________________?
A.	Is not a function of Reynolds number
B.	For a given Reynolds number remains constant even on further smoothening of the pipe
C.	Is zero irrespective of the Reynolds number
D.	None of these
Answer» C. Is zero irrespective of the Reynolds number

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