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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The power transmitted through a pipe is (where w = Specific weight in N/m3, and Q = Discharge in m3/s)

w × Q (H - hf)
w × Q (H + hf)
w × Q × hf
w × Q × H

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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.

Kinematic similarity
Dynamic similarity
None of these
Geometric similarity

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Hydraulics and Fluid Mechanics in ME
Unit of surface tension is

Energy/unit area
Both of the above
It has no units
Velocity/unit area

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Hydraulics and Fluid Mechanics in ME
A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal to

10 kg
1000 kg
100 kg
1 kg

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Hydraulics and Fluid Mechanics in ME
The flow in which the particles of a fluid attain such velocities that varies from point to point in magnitude and direction as well as from instant to instant, is known as

Uniform flow
Turbulent flow
One dimensional flow
Steady flow

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Hydraulics and Fluid Mechanics in ME
Property of a fluid by which molecules of different kinds of fluids are attracted to each other is called

cohesion
adhesion
viscosity
compressibility

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