What is the ratio of fluid carrying capacity of two pipes having diameters d1 and d2 respectively ?
A. (d1/d2)0.8
B. (d1/d2)0.5
C. d1/d2
D. (d1/d2)2
Fluid Mechanics for Chemical
Momentum transfer in laminar flow of fluids results due to the_________________?
Momentum transfer in laminar flow of fluids results due to the_________________?
A. Viscosity
B. Density
C. Velocity gradient
D. None of these
Cavitation in a centrifugal pump can be avoided by keeping the__________________?
Cavitation in a centrifugal pump can be avoided by keeg the__________________?
A. Inlet pressure high
B. Outlet pressure low
C. Inlet pressure low
D. Outlet pressure high
Gradually varied flow in open channel is a/an ____________ flow?
Gradually varied flow in open channel is a/an ____________ flow?
A. Steady uniform
B. Steady non-uniform
C. Unsteady uniform
D. Unsteady non-uniform
In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is__________________?
In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is__________________?
A. 0
B. 1
C. < 1
D. > 1
The flow of gas along a pipe in the direction of decreasing pressure causes decrease in its__________________?
The flow of gas along a pipe in the direction of decreasing pressure causes decrease in its__________________?
A. Viscosity
B. Specific volume
C. Velocity
D. None of these
The continuity equation__________________?
The continuity equation__________________?
A. Relates mass flow rate along a stream tube
B. Relates work and energy
C. Stipulates that Newton’s second law of motion must be satisfied at every point in the fluid
D. None of these
A fluid is a substance, that_________________?
A fluid is a substance, that_________________?
A. Has to be kept in a closed container
B. Is almost incompressible
C. Has zero shear stress
D. Flows when even a small shear is applied to it
The schedule number of a pipe is an indication of its_________________?
The schedule number of a pipe is an indication of its_________________?
A. Size
B. Roughness
C. Material density
D. Wall thickness
Dimension of surface tension is (where, F = force, L = length) ?
Dimension of surface tension is (where, F = force, L = length) ?
A. FL-1
B. F-1. L
C. F.L-2
D. F-2. L