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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)

h/w
w/h
w
wh

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Hydraulics and Fluid Mechanics in ME
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is

0.884
0.848
0.488
0.392

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Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

2700
21000
10000
2100

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Hydraulics and Fluid Mechanics in ME
The specific speed of a hydraulic turbine depends upon

Speed and head of water
Speed and power developed
Speed, power developed and head of water
Discharge and power developed

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Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

Meters² per sec
Newton-sec per meter
kg-sec/meter
Newton-sec per meter²

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Hydraulics and Fluid Mechanics in ME
Poise is the unit of

surface tension
shear stress in fluids
viscosity
capillarity

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