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

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Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will float if

Gravitational force is equal to the up-thrust of the liquid
Gravitational force is more than the up-thrust of the liquid
None of these
Gravitational force is less than the up-thrust of the liquid

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Hydraulics and Fluid Mechanics in ME
The specific speed of turbine is defined as the speed of a unit

Of such a size that it delivers unit discharge at unit head
Of such a size that it produces unit horse power with unit head
Of such a size that it requires unit power per unit head
Of such a size that it delivers unit discharge at unit power

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