For a given Reynolds number, in a hydraulically smooth pipe, further smoothening ____________ the friction factor?

Related Mcqs:

The head developed by a centrifugal pump is largely determined by the____________________?

A. Power of the pump B. Nature of the liquid being pumped C. Angle of the vanes and the speed of the tip of the impeller D. Vapour pressure of the liquid...

A 0.5 m high bed made up of a 1 mm dia glass sphere (density 2500 kg/m3 ) is to be fluidised by water (density 1000 kg/m3 ). If at the point of incipient fluidisation, the bed voidage is 40%, the pressure drop across the bed is________________?

A. 4.4 KPa B. 2.94 KPa C. 3.7 KPa D. None of these...

Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.

A. ∂/∂s = 0 B. ∂/∂t = 0 C. ∂/∂s = constant D. ∂/∂t = constant...

Which of the fluid forces are not considered in the Reynold’s equation of flow ?

A. Viscous forces B. Turbulent forces C. Pressure forces D. Compressibility forces...

The head loss due to sudden expansion is__________________?

A. (V12 – V22)/2gc B. (V1 – V2)2/2gc C. (V1 – V2)/2gc D. (V12 – V22)/gc...