Category: Fluid Mechanics for Chemical

A. Prandtl number is one
B. Schmidt number tends to infinity
C. Nusselt number tends to infinity
D. Archimedes number is greater than 10000

A. Non-steady uniform
B. Non-steady non-uniform
C. Steady uniform
D. Steady non-uniform

A. V1.8
B. V-0.8
C. V
D. V-1

A. A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically
downward, than when the flow is vertically upward
B. The co-efficient of contraction of a Venturimeter is always unity
C. For a fixed pressure drop, the discharge of a gas through a Venturimeter is greater, when
compressibility is taken into account, than when it is neglected
D. None of these

A. Require less space
B. Have quieter operation
C. Have lower operating costs
D. All A., B. and C.

A. 39.6y
B. 48y
C. 49.2y
D. 58y

A. Greater is the kinematic viscosity of the liquid, greater is the thickness of the boundary layer
B. Blowers develop a maximum pressure of 2 atmospheres
C. Friction losses in pipe fittings are generally expressed in terms of velocity heads
D. Fanning friction factor in case of turbulent flow of liquids in pipe depends upon relative
roughness & Reynolds number

A. Unsteady through unchanged cross-section
B. Steady through changing cross-section
C. Steady and the cross-section is unchanged
D. Unsteady and the cross-section is changed

A. Provides back pressure for a cylinder
B. Unloads a pump
C. Is a directional control valve
D. None of these

A. High suction pressure
B. Low barometric pressure
C. Low suction pressure
D. High suction velocity