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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 discharge of wheel is

0.25 m3/s
1.5 m3/s
2.5 m3/s
0.5 m3/s

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Hydraulics and Fluid Mechanics in ME
If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will

tend to move downward and it may finally sink
rise until its weight equals the buoyant force
float
None of these

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Hydraulics and Fluid Mechanics in ME
Hot wire anemometer is used to measure

Liquid discharge
Pressure in gases
Pressure in liquids
Gas velocities

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called

adhesion
cohesion
viscosity
compressibility

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Hydraulics and Fluid Mechanics in ME
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.

Equal to
None of these
More than
Less than

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

Axial
Vortex
Centrifugal
Radial

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