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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

Steep
Nearly horizontal
First rise and then fall
Horizontal

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Hydraulics and Fluid Mechanics in ME
The major loss of energy in long pipes is due to

gradual contraction or enlargement
friction
sudden contraction
sudden enlargement

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Hydraulics and Fluid Mechanics in ME
An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.

None of these
Equal to
Inversely proportional
Directly proportional

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Hydraulics and Fluid Mechanics in ME
The jet ratio is defined as the ratio of the

Diameter of jet to the diameter of Pelton wheel
Velocity of Pelton wheel to the velocity of jet
Velocity of jet to the velocity of Pelton wheel
Diameter of Pelton wheel to the diameter of jet

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Hydraulics and Fluid Mechanics in ME
Piezometer is used to measure

Atmospheric pressure
Pressure in pipe, channels etc
Difference of pressure between two points
Very low pressures

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water from deep wells?

Jet pump
Reciprocating pump
Air lift pump
Centrifugal pump

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