Category: Fluid Mechanics for Chemical

A. Increases
B. Decreases
C. Remain same
D. May increase or decrease; depends on the magnitude of shear rate

A. Froude number
B. Kinematic viscosity
C. Pressure co-efficient
D. None of these

A. Have the same diameter
B. Have different diameters
C. Are directly coupled
D. None of these

A. Linear with radius for turbulent flow only
B. Linear with radius for laminar flow only
C. Linear with radius for both laminar & turbulent flow
D. Parabolic with radius for both laminar & turbulent flow

A. 0.5
B. 1
C. 1.5
D. 2

A. 0.1
B. 0.5
C. 0.94
D. 1

A. A forced vortex occurs when fluid rotates as a solid about an axis
B. In laminar flow, Newton’s law of viscosity does not apply
C. A free vortex occurs, when fluid rotates as a solid
D. In turbulent flow, there are neither cross-currents nor eddies

A. Submerged body
B. Displaced volume of the fluid
C. Volume of fluid vertically above the body
D. Horizontal projection of the body

A. Efficiency, head and B.H.P.
B. Head, efficiency and B.H.P.
C. B.H.P., efficiency and head
D. Efficiency, B.H.P. and head

A. Long pipe at constant rate
B. Long pipe at decreasing rate
C. Expanding tube at increasing rate
D. Expanding tube at constant rate