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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

None of these
Remain same
Increases
Decreases

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Pressure vs. speed
Pressure in cylinder vs. swept volume
Flow vs. speed
Flow vs. swept volume

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Hydraulics and Fluid Mechanics in ME
Which place in hydraulic turbine is most susceptible for cavitations?

Penstock
Blade inlet
Inlet of draft rube
Guide blade

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Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Pressure difference between two points in a pipe
Pressure difference between two points in a channel
Pressure of liquid
Discharge of liquid

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Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

more
less
equal
less at low temperature and more at high temperature

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Hydraulics and Fluid Mechanics in ME
Piezometer is used to measure

Very low pressures
Atmospheric pressure
Difference of pressure between two points
Pressure in pipe, channels etc

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