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

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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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