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Fluid Mechanics

Fluid Mechanics
Bernoulli's equation is not applicable, when the flow is

Irrotational
Incompressible
All of these
Viscous

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Fluid Mechanics
Which of the following is the most common pump for pumping either raw sewage or sludge?

Electromagnetic pump
Centrifugal pump
Gear pump
Reciprocating pump

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Fluid Mechanics
Momentum transfer in laminar flow of fluids results due to the

Density
Viscosity
None of these
Velocity gradient

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Fluid Mechanics
A hydraulic ram acts as a/an __________ pump.

Parallel cylinder
Impulse
Reciprocating
Centrifugal

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Fluid Mechanics
Velocity distribution for flow between two fixed parallel plates

Is constant over the entire cross-section
Varies parabolically across the section
Is zero at the plates and increases linearly to the midplane
None of these

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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
Parabola
Semi-circle

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