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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

More than
Same as
Less than
None of these

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Hydraulics and Fluid Mechanics in ME
Equation of continuity is based on the principle of conservation of

mass
momentum
energy
None of these

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Hydraulics and Fluid Mechanics in ME
The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe)

H/(H - hf )
H/(H + hf )
(H - hf )/H
(H + hf )/H

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Hydraulics and Fluid Mechanics in ME
The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

Manometric efficiency
Mechanical efficiency
Volumetric efficiency
Overall efficiency

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Hydraulics and Fluid Mechanics in ME
The ratio of actual work available at the turbine to the energy imparted to the wheel is known as ________ efficiency.

Overall
Hydraulic
Mechanical
None of these

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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
Screw pump
Gear pump
Cam and piston pump

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