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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Metacentric height is the distance between the metacentre and

center of gravity
center of buoyancy
center of pressure
water surface

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Hydraulics and Fluid Mechanics in ME
The Bernoulli's equation is based on the assumption that

The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid
All of these
There is no loss of energy of the liquid flowing

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the turbines?

Jet pump
Air lift pump
Centrifugal pump
Reciprocating pump

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Hydraulics and Fluid Mechanics in ME
The weight per unit volume of a liquid at a standard temperature and pressure is called

Specific gravity
Mass density
Specific weight
None of these

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Hydraulics and Fluid Mechanics in ME
If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is

43924
44078
27/8
43892

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

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

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