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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

50 cm
52.2 cm
51 cm
52 cm

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

None of the listed here
Francis turbine
Impulse turbine
Propeller turbine

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Hydraulics and Fluid Mechanics in ME
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

Double
Five to six times
Equal to
Three to four times

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Hydraulics and Fluid Mechanics in ME
The pressure measured with the help of a pressure gauge is called

Absolute pressure
Atmospheric pressure
Mean pressure
Gauge pressure

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Hydraulics and Fluid Mechanics in ME
Water is a __________ fluid.

Ideal
Real
Non-Newtonian
Newtonian

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Hydraulics and Fluid Mechanics in ME
The cavitation in a hydraulic machine

All of these
Reduces the discharge of a turbine
Causes noise and vibration of various parts
Causes sudden drop in power output and efficiency

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