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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 | |