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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.
40 r.p.m.
80 r.p.m.

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Hydraulics and Fluid Mechanics in ME
The eddy viscosity for turbulent flow is

a function of temperature only
dependent on the flow
a physical property of the fluid.
independent of the flow

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Hydraulics and Fluid Mechanics in ME
The unit discharge through the turbine is

Q/√H
Q/H²
Q/H
Q/H3/2

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

Two
One
Four
Three

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Hydraulics and Fluid Mechanics in ME
A Piezometer tube is used only for measuring

Vacuum pressure
Low pressure
Moderate pressure
High pressure

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to

Give high discharge
Produce high heads
Pump viscous fluids
All of these

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