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Hydraulics and Fluid Mechanics in ME

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

1.2 times
Equal to
Double
1.8 times

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator is a device used to store _________ energy which may be supplied to a machine later on.

None of these
Pressure
Strain
Kinetic

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Hydraulics and Fluid Mechanics in ME
If the net positive suction head (NPSH) requirement for the pump is not satisfied, then

Efficiency will be low
No flow will take place
Cavitation will be formed
Excessive power will be consumed

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Hydraulics and Fluid Mechanics in ME
High specific speed of turbine implies it is

Impulse turbine
None of the listed here
Propeller turbine
Francis turbine

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Hydraulics and Fluid Mechanics in ME
For 450 m head of water, _________ shall be used.

Pelton wheel
None of these
Kaplan turbine
Francis turbine

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Hydraulics and Fluid Mechanics in ME
Which of the following manometer has highest sensitivity

inclined U-tube
U-tube with mercury
micro-manometer with water
U-tube with water

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