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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The pressure less than atmospheric pressure is known as

All of the listed here
Negative gauge pressure
Suction pressure
Vacuum pressure

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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
partly immersed
float over fluid
sink to bottom

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

below be center of gravity
could be above or below e.g. depending on density of body and liquid
above the center of gravity
at the center of gravity

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Hydraulics and Fluid Mechanics in ME
Re-entrant or Borda's mouthpiece is an __________ mouthpiece.

None of these
Internal
External
Both A and B

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Hydraulics and Fluid Mechanics in ME
A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is

275.4 r.p.m
175.4 r.p.m.
241.5 r.p.m.
215.5 r.p.m.

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Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

momentum
None of these
mass
energy

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