1.

What is the effect of change in Reynold's number on friction factor in turbulent flow?

A. As the Reynolds number increases the friction factor increases in turbulent flow
B. As the Reynolds number increases the friction factor decreases in turbulent flow
C. change in Reynolds number does not affect the friction factor in turbulent flow
D. unpredictable
Answer» B. As the Reynolds number increases the friction factor decreases in turbulent flow


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