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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Liquids transmit pressure equally in all the directions. This is according to

Archimedes principle
Newton's formula
Pascal's law
Boyle's law

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Hydraulics and Fluid Mechanics in ME
The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is

0.6
0.8
0.5
0.4

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Hydraulics and Fluid Mechanics in ME
Medium specific speed of a pump implies it is

Centrifugal pump
Axial flow pump
Mixed flow pump
Any one of the above

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Hydraulics and Fluid Mechanics in ME
Motion of a liquid in a volute casing of a centrifugal pump is an example of

Spiral vortex flow
Forced spiral vortex flow
Radial
Rotational flow

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Hydraulics and Fluid Mechanics in ME
Euler's equation in the differential form for the motion of liquids is given by

dp/ρ + g.dz + v.dv = 0
ρ.dp - g.dz + v.dv = 0
dp/ρ - g.dz + v.dv = 0
ρ.dp + g.dz + v.dv = 0

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is dependent upon

Distance
Pressure
Flow
Density

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