Chemical Engineering :: Fluid Mechanics
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Viscosity of water is about __________ times that of air at room temperature.
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Net positive suction head (NPSH) of a centrifugal pump must be
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Actual lift of a pump is always less than the theoretical lift and is limited by the
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In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow?
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Nature of fluid flow during the opening of a valve in a pipeline is
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The __________ pressure is measured by a static tube.
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The speed of a sound wave in a gas is analogous to the speed of
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Mercury is an ideal barometric fluid mainly due to its
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A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation ?
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A gas
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A.
Discharge of water by a centrifugal pump being run at a constant rpm.
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B.
Water flow in the suction and discharge pipe of a reciprocating pump.
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C.
Water discharge from a vertical vessel in which constant level is maintained.
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D.
Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe.
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