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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The Thomson's turbine is _________ reaction turbine.

An outward flow
An inward flow
A mixed flow
An axial flow

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Hydraulics and Fluid Mechanics in ME
If the ratio's of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have.

Dynamic similarity
None of these
Kinematic similarity
Geometric similarity

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth or the hydraulic radius is the ratio of

None of these
Wetted perimeter and diameter of pipe
Velocity of flow and area of flow
Area of flow and wetted perimeter

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Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the __________ is called Euler's number.

Pressure force
Viscous force
Elastic force
Surface tension force

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Hydraulics and Fluid Mechanics in ME
The efficiency of a Pelton wheel working under constant head ________ with the increase in power.

Decreases
Increases
None of these
Remain same

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Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

rotameter
hot wire anemometer
pitot tube
Venturimeter

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