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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)

h/w
wh
w
w/h

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

None of these
Directly proportional
Inversely proportional
Equal

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Hydraulics and Fluid Mechanics in ME
Stoke is the unit of

Kinematic viscosity in M. K. S. units
Kinematic viscosity in C. G. S. units
Dynamic viscosity in M. K. S. units
Dynamic viscosity in S. I. units

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Hydraulics and Fluid Mechanics in ME
A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

None of these
Pascal’s law
Archimedes’s principle
D-Alembert’s principle

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Hydraulics and Fluid Mechanics in ME
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.

None of these
Viscous
Compressible
Incompressible

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

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