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.Management Sciences
Category: Fluid Mechanics for Chemical
Differential manometer measures the___________________?
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A. Absolute pressure
B. Gauge pressure
C. Pressure difference
D. Pressure gradient
Working principle of manometer comprises of balancing a coloumn of liquid against the pressure to be measured. Inclined tube manometer is especially used for the measurement of ______________ pressure?
A. Small differential
B. Atmospheric
C. Absolute
D. Gage
Pressure drop in packed bed for turbulent flow is given by the ______________ equation?
A. Kozeny-Carman
B. Blake-Plummer
C. Leva’s
D. Hagen-Poiseuille’s
Which of the following is not a dimension-less parameter ?
A. Pressure-co-efficient
B. Froude number
C. Kinematic viscosity
D. Weber number
The line of action of the buoyant force acts through the____________________?
A. Centroid of the displaced volume of fluid
B. Centre of gravity of a submerged body
C. Centroid of the volume of any floating body
D. None of these
Reciprocating pumps are not able to compete with the centrifugal pump for industrial use, mainly because these pumps have_____________?
A. Very low speeds
B. Smaller discharge
C. Higher capital &maintenance cost
D. High vibrations
Specific speed of a centrifugal pump relates it with another pump having the___________________?
A. Dynamic similarity
B. Same efficiency
C. Same speed
D. Geometrical similarity
Drag co-efficient for flow past immersed body is the ratio of _____________ to the product of velocity head and density?
A. Shear stress
B. Shear force
C. Average drag per unit projected area
D. None of these
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