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Hydraulics and Fluid Mechanics in ME

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

Francis turbine
Propeller turbine
Any one of the above
Impulse turbine

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Hydraulics and Fluid Mechanics in ME
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.

Ax̅ / IG above
Ax̅ / IG below
IG / Ax̅ below
IG / Ax̅ above

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Hydraulics and Fluid Mechanics in ME
An air vessel is provided at the summit in a siphon to

Increase discharge
Avoid interruption in the flow
Increase velocity
Maintain pressure difference

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Hydraulics and Fluid Mechanics in ME
The specific weight of water in S.I. units is taken as

9.81 kN/m3
9.81 × 10-6 N/mm3
Any one of these
9.81 × 103 N/m3

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Hydraulics and Fluid Mechanics in ME
The ratio of absolute viscosity to mass density is known as

specific viscosity
kinematic viscosity
viscosity index
coefficient of viscosity

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Hydraulics and Fluid Mechanics in ME
The flow in which each liquid particle has a definite path and their paths do not cross each other is called

uniform flow
one dimensional flow
streamline flow
turbulent flow

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