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.Management Sciences
Category: Fluid Mechanics for Chemical
Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
0
A. ∂/∂s = 0
B. ∂/∂t = 0
C. ∂/∂s = constant
D. ∂/∂t = constant
Cavitation can be prevented by________________?
A. Suitably designing the pump
B. Maintaining the suction head sufficiently greater than the vapour pressure
C. Maintaining suction head = developed head
D. Maintaining suction head lower than the vapour pressure
Centre of pressure of a plane surface of arbitrary shape immersed vertically in a static mass of fluid________________?
A. Lies above the centroid of the plane surface
B. Is independent of the specific weight of the fluid
C. Is different for different fluids
D. Is at the centroid of the plane surface
Pipes having diameter 14 inches or more are designated by their_________________?
A. Outside diameter
B. Inside diameter
C. Schedule number
D. None of these
The capacity of an accumulator is the maximum_________________?
A. Energy which it can store
B. Discharge which it can deliver
C. Liquid which it can store
D. None of these
A stream tube is that, which has ______________________ cross-section entirely bounded by stream lines?
A. A circular
B. Any convenient
C. A small
D. A large
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