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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The Fourneyron turbine is _________ reaction turbine.

A mixed flow
An axial flow
An outward flow
An inward flow

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Hydraulics and Fluid Mechanics in ME
The centre of gravity of the volume of the liquid displaced is called

Metacentre
None of the listed here
Centre of buoyancy
Centre of pressure

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Hydraulics and Fluid Mechanics in ME
During the opening of a valve in a pipe line, the flow is

Steady
Uniform
Unsteady
Laminar

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Hydraulics and Fluid Mechanics in ME
Gauge pressure at a point is equal to the absolute pressure ___ the atmospheric pressure.

Multiply
Plus
Minus
Divide

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Hydraulics and Fluid Mechanics in ME
The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is

v₁²/2g
v₂²/2g
0.375 v₂²/2g
0.5 v₁²/2g

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Hydraulics and Fluid Mechanics in ME
Viscosity of water in comparison to mercury is

Higher/lower depending on temperature
Higher
Lower
Same

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