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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

Less than
More than
Same as
None of these

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Hydraulics and Fluid Mechanics in ME
Guide angle as per the aerofoil theory of Kaplan turbine blade design is defined as the angle between

Drag and resultant force
Lift and resultant force
Lift and tangential force
Lift and drag

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

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

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Hydraulics and Fluid Mechanics in ME
Gauge pressure at a point is equal to the absolute pressure ___ the atmospheric pressure.

Minus
Plus
Divide
Multiply

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Hydraulics and Fluid Mechanics in ME
Size of a venturimeter is specified by

pipe diameter
angle of diverging section
both pipe diameter as well as throat diameter
throat diameter

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Hydraulics and Fluid Mechanics in ME
A balloon lifting in air follows the following principle

law of gravitation
principle of buoyancy
All of these
Archimedes principle

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