Which of the following reasons is the incorrect reason for frictional – McqOptions

MCQOPTIONS

1.	Which of the following reasons is the incorrect reason for frictional losses in the conduit?
A.	Gradual change in flow direction
B.	Sudden contraction of the flow cross-sections
C.	Sudden enlargement of the flow cross-sections
D.	Due to irrotational flow of molten metal
Answer» E.

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