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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

Less than 2000
Between 2000 and 2800
More than 2800
None of these

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Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m”

at mean sea level
All listed here
at 4°C temperature
at normal pressure of 760 mm

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Hydraulics and Fluid Mechanics in ME
The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel)

(q/g)1/2
(q³/g)1/4
(q⁴/g)1/5
(q²/g)1/3

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Hydraulics and Fluid Mechanics in ME
An impulse turbine is used for

High head of water
Low head of water
High discharge
Medium head of water

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Hydraulics and Fluid Mechanics in ME
In order to measure the flow with a Venturimeter, it is installed in

Any direction and in any location
Inclined line with flow downwards
Horizontal line
Inclined line with flow upwards

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Hydraulics and Fluid Mechanics in ME
Euler’s dimensionless number relates the following

viscous force and inertial force
viscous force and buoyancy force
pressure force and inertial force
inertial force and gravity

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