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Fluid Mechanics

Fluid Mechanics
Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head.

Total
Static
Friction
Manometric

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Fluid Mechanics
Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the

Both A & B
Temperature
Neither A nor B
Pressure

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Fluid Mechanics
Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is

5√2π
10√2π
5π/√2
5π/2

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

Viscous
Irrotational
Incompressible
All of these

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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?

Turbulent
Unsteady
Non-uniform
Rotational

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Fluid Mechanics
The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s).

24
0.24
24000
0.44

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