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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of solids
specific gravity of liquids
specific gravity of gases
relative humidity

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Hydraulics and Fluid Mechanics in ME
Pitot tube is used for measurement of

flow
pressure
dsscharge
velocity

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

nearly half
slightly more
equal
slightly less

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

External
Both A and B
None of these
Internal

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Hydraulics and Fluid Mechanics in ME
Axial flow pump is started with its delivery valve

Irrespective of any position
Kept fully open
Kept fully closed
Kept 50% open

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Hydraulics and Fluid Mechanics in ME
The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity.

IG sinθ/Ax̅ below
IG sin²θ/Ax̅ above
IG sinθ/Ax̅ above
IG sin²θ/Ax̅ below

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