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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)

wH2/2
wH2/4
wH
wH/2

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Hydraulics and Fluid Mechanics in ME
The two important forces for a floating body are

buoyancy, inertial
buoyancy, gravity
buoyancy, pressure
inertial, gravity

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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

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

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Hydraulics and Fluid Mechanics in ME
The pressure of the liquid flowing through the divergent portion of a Venturimeter

Depends upon mass of liquid
Decreases
Increases
Remains constant

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Hydraulics and Fluid Mechanics in ME
Medium specific speed of a pump implies it is

Centrifugal pump
Mixed flow pump
Any one of the above
Axial flow pump

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Hydraulics and Fluid Mechanics in ME
The depth of the bucket for a Pelton wheel is generally _________ the diameter of jet.

1.2 times
Double
1.8 times
Equal to

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