When does the heat generated by fluid friction becomes appreciable com – McqOptions

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1.	When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids?
A.	At high fluid velocity
B.	At low velocity
C.	When fluid flows past a smooth surface
D.	None of these
Answer» B. At low velocity

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When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids?