What is the ratio of total kinetic energy of fluid passing per second to the value obtained on the basis of average velocity (for laminar flow through a circular pipe) ?

Related Mcqs:

With increase in pump speed, its NPSH requirement_________________?

A. Decreases B. Increases C. Remains unaltered D. Can either increase or decrease; depends on other factors...

When the momentum of one fluid is used for moving another fluid, such a device is called a/an______________?

A. Jet pump B. Blower C. Acid egg D. None of these...

A fluid whose apparent viscosity increases with shear rate is termed as the _____________ fluid?

A. Newtonian B. Viscous C. Dilatant D. Non-viscous...

For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by_______________?

A. ∂u/∂x = 0 B. ∂(ρu)/∂x = 0 C. (∂u/∂x) = – (∂ρ/∂t) D. ∂ρ/∂t = 0...

Pick out the wrong statement?

A. The vacuum pressure is always the negative gauge pressure B. The pressure of the liquid measured by a piezometer tube is the gauge pressure C. Manometric liquid should have high surface tension D. The point at which the resultant pressure on an immersed surface acts, is known as the centre of gravity...