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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hot wire anemometer is used to measure

Gas velocities
Liquid discharge
Pressure in liquids
Pressure in gases

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Hydraulics and Fluid Mechanics in ME
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

3.0 m
2.4 m
4.0 m
2.5 m

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Hydraulics and Fluid Mechanics in ME
The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if

All of these
The area is inclined
The area is horizontal
The area is vertical

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to

Pump viscous fluids
All of these
Produce high heads
Give high discharge

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Hydraulics and Fluid Mechanics in ME
Newton's law of viscosity is a relationship between

Pressure, velocity and temperature
Shear stress and velocity
Shear stress and rate of shear strain
Rate of shear strain and temperature

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

could be above or below e.g. depending on density of body and liquid
at the center of gravity
above the center of gravity
below be center of gravity

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