Pick out the correct statement.

Question

Options:

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 volume to the volume of voids in the bed

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 conditions of flow

Answer: Option D

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More Questions on This Topic :

Question 1. A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpmHead = 8 metresFlow = 1000 litres/mi....speed is halved, the new discharge will be __________ litres/minute.

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