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Hydraulics and Fluid Mechanics in ME

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. This saving in case of a single acting reciprocating pump is

0.848
0.488
0.392
0.884

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Hydraulics and Fluid Mechanics in ME
When the Venturimeter is inclined, then for a given flow it will show __________ reading.

None of these
More
Less
Same

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Hydraulics and Fluid Mechanics in ME
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

Equal to
Three to four times
Five to six times
Double

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Viscous force
Elastic force
Pressure force
Gravity force

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Hydraulics and Fluid Mechanics in ME
The speed ratio in case of Francis turbine varies from

0.4 to 0.5
1 to 1.5
0.15 to 0.3
0.6 to 0.9

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Hydraulics and Fluid Mechanics in ME
In order to measure the flow with a Venturimeter, it is installed in

Inclined line with flow downwards
Inclined line with flow upwards
Any direction and in any location
Horizontal line

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