A. That corresponding to static bed
B. That corresponding to completely fluidised bed
C. The porosity of the bed when true fluidisation begins
D. Less than that of the’ static bed
A. Wall roughness
B. Reynolds number
C. Both A. & B.
D. Neither A. nor B.
A. Change in direction of flow
B. Change in total energy
C. Change in pressure
D. Non uniform direction of velocities at inlet & outlet sections
A. Sump
B. Volute
C. Vacuum
D. Submerged
A. Employs such an impeller, through which the flow is a combination of radial & axial flow
B. Mixes the two fluids before pumg them
C. Pumps the two fluids separately and then mixes them
D. Employs impellers in both the radial & axial directions
A. Blower
B. Compressor
C. Vacuum pump
D. Fan
A. G is above B
B. B is above G
C. B & G coincide
D. None of these
A. Kinetic head gets converted into static head
B. Moving stream gradually reduces velocity
C. Mean velocity remains constant
D. None of these
A. More
B. Less
C. Same
D. Unpredictable
A. 0.1
B. 0.5
C. 0.94
D. 1