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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the regulating valve is provided on the

Delivery pipe
Suction pipe
Casing
Impeller

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Hydraulics and Fluid Mechanics in ME
In an immersed body, centre of pressure is

Above the centre of gravity
Could be above or below e.g. depending on density of body and liquid
Below be centre of gravity
At the centre of gravity

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Hydraulics and Fluid Mechanics in ME
When the flow parameters at any given instant remain same at every point, then flow is said to be

uniform
steady state
laminar
quasi static

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body is called

upthrust
buoyancy
center of pressure
all the above are correct

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Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

2700
2100
10000
21000

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Hydraulics and Fluid Mechanics in ME
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

One-half
Two-third
None of these
One-third

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