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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race.

Product
Sum
None of these
Difference

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Hydraulics and Fluid Mechanics in ME
A fluid of kinematic viscosity 0.4 cm²/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be

2 m/sec
1 m/sec
1.5 m/sec
less than 1 m/sec

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Hydraulics and Fluid Mechanics in ME
The specific speed of a hydraulic turbine depends upon

Discharge and power developed
Speed and power developed
Speed, power developed and head of water
Speed and head of water

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Hydraulics and Fluid Mechanics in ME
Density of water is maximum at

100°C
0°K
0°C
4°C

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Hydraulics and Fluid Mechanics in ME
Principle of similitude forms the basis of

comparing two identical equipments
hydraulic designs
designing models so that the result can be converted to prototypes
comparing similarity between design and actual equipment

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

Inversely proportional
Directly proportional
Equal
None of these

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