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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The maximum number of jets generally employed in impulse turbine without jet interference is

6
12
8
4

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Hydraulics and Fluid Mechanics in ME
The width of the bucket for a Pelton wheel is generally ________ the diameter of jet.

Four times
Five times
Double
Three times

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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

Critical flow
Turbulent flow
Tranquil flow
Torrential flow

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

Gear pump
Screw pump
Cam and piston pump
Plunger pump

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Hydraulics and Fluid Mechanics in ME
Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of

Lower discharge
Lower speed of operation
Necessity of air vessel
High initial and maintenance cost

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Hydraulics and Fluid Mechanics in ME
Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?

Kaplan turbine
None of these
Pelton wheel
Francis turbine

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