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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The eddy viscosity for turbulent flow is

a physical property of the fluid.
independent of the flow
dependent on the flow
a function of temperature only

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Hydraulics and Fluid Mechanics in ME
The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)

(p/W) × (A/a)
(p/W) × (a/A)
(W/p) × (a/A)
(W/p) × (A/a)

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Hydraulics and Fluid Mechanics in ME
The upper surface of a weir over which water flows is known is

weir top
sill
nappe
crest

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

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

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Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is given by the equation

N√P / H3
N√P / H²
N√P / H3/2
N√P / H5/4

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Hydraulics and Fluid Mechanics in ME
General energy equation holds for

turbulent flow
laminar flow
steady flow
non-uniform flow

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