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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity with increase in pressure

increases first upto certain limit and then decreases
decreases
remains constant
increases

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Hydraulics and Fluid Mechanics in ME
The width of the bucket for a Pelton wheel is generally ________ the diameter of jet.

Three times
Four times
Double
Five times

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Hydraulics and Fluid Mechanics in ME
For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called

Archimedes’s principle
Pascal’s law
Continuity equation
Bernoulli’s equation

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Hydraulics and Fluid Mechanics in ME
The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called

Up-thrust
Buoyancy
Metacentre
Reaction

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Hydraulics and Fluid Mechanics in ME
A flow through an expanding tube at constant rate is called

Steady uniform flow
Unsteady uniform flow
Unsteady non-uniform flow
Steady non-uniform flow

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

Velocity
(Velocity)3
(Velocity)2
(Velocity)4

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