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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The viscosity of a liquid __________ its rate of flow through a hole in a vessel.

Both A and B
None of these
Does not effect
Effects

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Hydraulics and Fluid Mechanics in ME
The motion of air mass in a tornado is a

free vortex motion
free vortex at center and forced vortex outside
forced vortex motion
forced vortex at center and free vortex outside

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Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Pressure of liquid
Pressure difference between two points in a pipe
Discharge of liquid
Pressure difference between two points in a channel

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Hydraulics and Fluid Mechanics in ME
One cubic metre of water weighs

500 liters
1000 liters
250 liters
100 liters

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Hydraulics and Fluid Mechanics in ME
By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. The saving in case of a double acting reciprocating pump is

0.488
0.884
0.392
0.848

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

None of these
Steady
Unsteady
Both A and B

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