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Fluid Mechanics

Fluid Mechanics
Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around

1000
2000
10
100

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Fluid Mechanics
Function of air vessel provided in a reciprocating pump is to

Reduce the danger of cavitation
Increase the pump efficiency
Reduce discharge fluctuation
Avoid the necessity of priming

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Fluid Mechanics
Specific speed of a centrifugal pump relates it with another pump having the

Same efficiency
Geometrical similarity
Same speed
Dynamic similarity

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Fluid Mechanics
Pressure gradient in the pipe flow is influenced by the

Density & viscosity of the fluid
All of these
Diameter of pipe
Velocity of the fluid

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Fluid Mechanics
The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe.

Semi-ellipse
Hyperbola
Semi-circle
Parabola

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Fluid Mechanics
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?

Unsteady
Non-uniform
Turbulent
Rotational

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MORE MCQ ON Fluid Mechanics

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