If Blausius or Darcey friction factor is ' f 1 ' then the Fanning fric – McqOptions

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1.	If Blausius or Darcey friction factor is ' f 1 ' then the Fanning friction factor is equal to
A.	f 1 /4
B.	4 f 2
C.	2 f 1
D.	f 1 /2
Answer» B. 4 f 2

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