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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

51 cm
50 cm
52 cm
52.2 cm

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Hydraulics and Fluid Mechanics in ME
The pitot tube is used to measure

dynamic pressure
velocity at stagnation point
static pressure
stagnation pressure

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

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

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Hydraulics and Fluid Mechanics in ME
The speed of a turbine runner is

Directly proportional to H3/2
Directly proportional to H1/2
Inversely proportional to H3/2
Inversely proportional to H1/2

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Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

10000
21000
2100
2700

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Hydraulics and Fluid Mechanics in ME
The specific speed (Ns) of a centrifugal pump is given by

(N√Q)/H5/4
(N√Q)/H2/3
(N√Q)/H3/4
(N√Q)/H

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