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Hydraulics and Fluid Mechanics in ME

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
2700
2100

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

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

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Hydraulics and Fluid Mechanics in ME
When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

1.84(L - nH)H3
1.84(L - nH)H2
1.84(L - 0.1nH)H5/2
1.84(L - 0.1nH)H3/2

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Hydraulics and Fluid Mechanics in ME
The stress-strain relation of the Newtonian fluid is

Parabolic
Inverse type
Linear
Hyperbolic

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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

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

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump casing, the flow of water leaving the impeller, is

Free vortex motion
Rectilinear flow
Forced vortex
Radial flow

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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