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________________?

Related Mcqs:

In continuous fluidisation_________________?

A. Solids are completely entrained B. The pressure drop is less than that for batch fluidisation C. There is no entrainment of solids D. Velocity of the fluid is very small...

In centrifugal pumps, cavitation occurs, when pressure of the impeller eye or vane becomes_______________?

A. Less than atmospheric pressure B. More than liquid vapor pressure C. Less than liquid vapor pressure D. More than atmospheric pressure...

In case of end to end connection of two or more pipes in series, the ______________ each pipe?

A. Same rate of flow passes through B. Head loss is same through C. Rate of flow in each pipe is proportional to the length of D. Total flow rate is the sum of flow rate in...

An ideal fluid is___________________?

A. Frictionless & incompressible B. One, which obeys Newton’s law of viscosity C. Highly viscous D. None of these...

Hydraulic _____________ works on the principle of Pascal’s law of transmission of fluid pressure?

A. Press B. Turbine C. Pump D. Coupling...