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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The optimum value of vane exit angle for a centrifugal pump impeller is

20-25°
50-60°
30-40°
10-15°

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Hydraulics and Fluid Mechanics in ME
Which of the following pump is successfully used for lifting water to the boilers?

Jet pump
Reciprocating pump
Centrifugal pump
Airlift pump

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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.

Double
Equal to
Three to four times
Five to six times

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Hydraulics and Fluid Mechanics in ME
In a venturi-flume, the flow takes place at

Gauge pressure
Absolute pressure
Atmospheric pressure
None of these

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Hydraulics and Fluid Mechanics in ME
The two important forces for a floating body are

inertial, gravity
buoyancy, inertial
buoyancy, gravity
buoyancy, pressure

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

Plunger pump
Gear pump
Screw pump
Cam and piston pump

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