Relevant Competitive Tests:
Pick out the correct statement?
A. Fanning friction factor is inversely proportional to Reynolds number always
B. The property of a randomly packed bed (with raschig rings) is given by the ratio of the total
C. Mach number in an incompressible fluid is always unity
D. Mach number is given by the ratio of the speed of the fluid to that of sound in the fluid under
Correct Option: D. Mach number is given by the ratio of the speed of the fluid to that of sound in the fluid underconditions of flow
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