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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is

20 r.p.m.
10 r.p.m.
80 r.p.m.
40 r.p.m.

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Hydraulics and Fluid Mechanics in ME
For 450 m head of water, _________ shall be used.

Francis turbine
Kaplan turbine
None of these
Pelton wheel

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Hydraulics and Fluid Mechanics in ME
The shear stress-strain graph for a Newtonian fluid is a

Elliptical
Parabolic curve
Hyperbolic curve
Straight line

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Hydraulics and Fluid Mechanics in ME
For small discharge at high pressure, following pump is preferred

Reciprocating
Axial flow
Centrifugal
Mixed flow

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Hydraulics and Fluid Mechanics in ME
A nozzle placed at the end of a water pipe line discharges water at a

High velocity
Low velocity
High pressure
Low pressure

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Hydraulics and Fluid Mechanics in ME
The velocity of jet of water travelling out of opening in a tank filled with water is proportional to

h2
h2
head of water (h)
V/T

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