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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Saving of work done and power by fitting an air vessel to single acting reciprocating pump is of the order of

49.2%
68.8%
84.8%
39.2%

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Hydraulics and Fluid Mechanics in ME
Which type of the pump is different from others in the same group?

Screw pump
Gear pump
Plunger pump
Cam and piston pump

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is less than the critical depth, the flow is called

Turbulent flow
Tranquil flow
Torrential flow
Critical flow

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Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m3

All of the listed here
At normal pressure of 760 mm
At 4°C temperature
At mean sea level

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Hydraulics and Fluid Mechanics in ME
The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as

turbulent flow
steady flow
uniform f^w
one dimensional flow

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Hydraulics and Fluid Mechanics in ME
A liquid would wet the solid, if adhesion forces as compared to cohesion forces are

more
equal
less at low temperature and more at high temperature
less

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