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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of

68.8%
39.2%
84.8%
49.2%

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Hydraulics and Fluid Mechanics in ME
A Piezometer tube is used only for measuring

Vacuum pressure
High pressure
Low pressure
Moderate pressure

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

2H/3
H/3
3H/4
H/2

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Hydraulics and Fluid Mechanics in ME
Center of pressure on an inclined plane is

Above the Centroid
At the Centroid
At metacentre
Below the Centroid

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Hydraulics and Fluid Mechanics in ME
Pressure intensifier increases the pressure in proportion to

Ratio of diameters
Inverse ratio of diameters
Square of ratio of diameters
Square of inverse ratio of diameters

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