Q. The discharge through a semi-circular weir varies as (where, H = Head of liquid.)

View solution

Q. In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity)

View solution

Q. Centrifugal compressors compared to reciprocating compressors

View solution

Q. For laminar flow of Newtonion fluids through a circular pipe, for a given pressure drop and length & diameter of pipe, the velocity of fluid is proportional to(where, μ = fluid viscosity )

View solution

Q. Umf is the minimum fluidisation velocity for a bed of particles. An increase in the superficial gas velocity from 2 Umf to 2.5 Umf results in (all velocities are smaller than the entrainment velocity of the particles) no change in the

View solution

Q. Slugging occurs in a fluidised bed, if the bed is

View solution

Q. The Mach number for hypersonic flow of compressible fluid is

View solution

Q. Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.)

View solution

Q. Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the

View solution

Q. The valve used for very remote and accurate control of fluid is a __________ valve.

View solution

Q. f = 16/Nʀₑ, is valid for

View solution

Q. A rotameter works on the principle of __________ pressure drop.

View solution

Q. The effect of solid boundary on the fluid flow is confined to the boundary layer, except for fluids

View solution

Q. The excess of the sum of pressure & velocity heads over the vapor pressure of the liquid at the suction is called the

View solution

Q. Piezometric head is the sum of the __________ heads.

View solution

Q. Propellers are

View solution

Q. Which of the following is not an advantage of fluidisation from transfer operation point of view?

View solution

Q. Upto what value of 'Mach number', a fluid may be considered as incompressible ?

View solution

Q. The head developed by a centrifugal pump is largely determined by the

View solution

Q. Pick out the wrong statement:

View solution