Fluid Mechanics For Chemical | Test For NTS PPSC FPSC, TEST

A. Velocity is uniform at any cross-section
B. Velocity gradient is zero at the solid surface
C. Resistance between the surface & the fluid is lesser as compared to that between the fluid
layers themselves
D. Velocity is not zero at the solid surface

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Category: Fluid Mechanics for Chemical

When a fluid flows over a solid surface, the___________________?

The maximum delivery pressure of compressors can be upto _____________ atmospheres?

At high Reynolds number_________________?

A fluid which has a linear relationship between the magnitude of applied shear-stress and the resulting rate of deformation is called a/an _____________ fluid?

Which of the following options will facilitate the achievement of a very high head (say 30 metres) in case of a centrifugal pump ?

Boundary layer separation is characterised by one of the conditions given below, where ‘Re’ is the Reynolds number for the flow. Select the appropriate conditions ?

A piezometer opening measures the _____________ fluid pressure?

Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m3, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is________________?

Priming is needed in a ______________ pump?

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________________?