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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The product of mass and acceleration of flowing liquid is called

Inertia force
Viscous force
Pressure force
Gravity force

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

1
1000
100
101.9

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Hydraulics and Fluid Mechanics in ME
The runaway speed of a hydraulic turbine is the speed

At which the turbine will run freely without load
At which there will be no damage to the runner
Corresponding to maximum overload permissible
At full load

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wAx/sinθ
wA
wx
wAx

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Hydraulics and Fluid Mechanics in ME
The speed of a turbine runner is

Directly proportional to H1/2
Inversely proportional to H1/2
Inversely proportional to H3/2
Directly proportional to H3/2

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Hydraulics and Fluid Mechanics in ME
Power required to drive a centrifugal pump is directly proportional to _________ of its impeller.

Square of diameter
Fourth power of diameter
Diameter
Cube of diameter

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