A. Atmospheric air
B. Compressed air
C. Water
D. None of these
Air vessel of a reciprocating pump is initially filled with___________________? Read More »
Fluid Mechanics for Chemical A. Fanning’s
B. Ergun’s
C. Hagen-Poiseuille’s
D. None of these
Fluid flow through a packed bed is represented by the ______________ equation? Read More »
Fluid Mechanics for Chemical A. 1/(y/3)
B. 2y/3
C. 1/(y/4)
D. 3y/4
A. Velocity changes linearly with radial distance
B. Flow is necessarily rotational
C. Radial component of velocity is same everywhere
D. Stream lines are not circular
In a free vortex, the_____________________? Read More »
Fluid Mechanics for Chemical 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 continuous fluidisation_________________? Read More »
Fluid Mechanics for Chemical A. Shear stress
B. Shear force
C. Average drag per unit projected area
D. None of these
A. Increases
B. Decreases
C. Remain same
D. May increase or decrease
A. 5
B. 50
C. 500
D. 5000
A. Run at a lower speed for the same discharge
B. Do not need priming
C. Deliver fluid with pulsating/fluctuating discharge
D. Can be run with discharge line valve closed for a short interval
Centrifugal pumps as compared to reciprocating pumps__________________? Read More »
Fluid Mechanics for Chemical A. V1.8
B. V-0.2
C. V2.7
D. V2
