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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Steep
Nearly horizontal
Horizontal
First rise and then fall

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Hydraulics and Fluid Mechanics in ME
The increase of temperature results in

decrease in viscosity of liquid
decrease in viscosity of gas
increase in viscosity of gas
increase in viscosity of liquid

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Hydraulics and Fluid Mechanics in ME
Medium specific speed of turbine implies it is

Any one of the above
Impulse turbine
Propeller turbine
Francis turbine

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Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Takes place in one direction
Takes place in straight line
Takes place in curve
Is steady and uniform

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Hydraulics and Fluid Mechanics in ME
A large Reynold number is indication of

Laminar flow
Steady flow
Smooth and streamline flow
Highly turbulent flow

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Hydraulics and Fluid Mechanics in ME
If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be

0.75 B.H.P
H.P./0.75
1.5 B.H.P
Same

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