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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Liquids transmit pressure equally in all the directions. This is according to

Boyle's law
Archimedes principle
Pascal's law
Newton's formula

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Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at decreasing rate is called __________ uniform flow.

Both A and B
Unsteady
None of these
Steady

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Hydraulics and Fluid Mechanics in ME
A double overhung Pelton wheel has

Two jets
Two runners
Four runners
Four jets

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for 0 to 25 m head of water?

None of these
Kaplan turbine
Pelton wheel
Francis turbine

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Hydraulics and Fluid Mechanics in ME
In reaction turbine, draft tube is used

For safety of turbine
To transport water downstream without eddies
To convert the kinetic energy to flow energy by a gradual expansion of the flow cross-section
To increase flow rate

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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

Low pressure
High pressure
High velocity
Low velocity

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