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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Orifice meter
All of the listed here
Pitot tube
Venturimeter

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Hydraulics and Fluid Mechanics in ME
The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is

24.8 r.p.m.
82.4 r.p.m.
48.2 r.p.m
248 r.p.m

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Hydraulics and Fluid Mechanics in ME
A metal with specific gravity of o floating in a fluid of same specific gravity a will

be fully immersed with top surface at fluid surface
sink to bottom
partly immersed
float over fluid

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Hydraulics and Fluid Mechanics in ME
In an immersed body, centre of pressure is

At the centre of gravity
Above the centre of gravity
Could be above or below e.g. depending on density of body and liquid
Below be centre of gravity

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Hydraulics and Fluid Mechanics in ME
Liquids

Occupy definite volume
None of the listed here
Are not affected by change in pressure and temperature
Cannot be compressed

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Hydraulics and Fluid Mechanics in ME
Hot wire anemometer is used to measure

Pressure in liquids
Gas velocities
Pressure in gases
Liquid discharge

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