Category: Fluid Mechanics for Chemical

Pick out the correct statement pertaining to Venturimeter ?

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

Pick out the wrong statement?

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