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Hydraulics and Fluid Mechanics in ME

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

Double
Four times
Five times
Three times

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Hydraulics and Fluid Mechanics in ME
Density of water is maximum at

0°K
4°C
100°C
0°C

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

[wa (V - v)]/g
[wa (V - v²)]/g
[wa (V - v)]/2g
[wa (V - v)²]/2g

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Hydraulics and Fluid Mechanics in ME
If velocity is zero over l/3rd of a cross-section and is uniform over remaining 2/3rd of the cross-section, then the correction factor for kinetic energy is

27/8
43924
44078
43892

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Hydraulics and Fluid Mechanics in ME
The number of buckets on the periphery of a Pelton wheel is given by

(D/2d) + 10
(D/2d) + 20
(D/2d) + 15
(D/2d) + 5

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Hydraulics and Fluid Mechanics in ME
The centre of gravity of the volume of the liquid displaced is called

Centre of pressure
None of the listed here
Metacentre
Centre of buoyancy

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