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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For pipes, turbulent flow occurs when Reynolds number is

less than 4000
between 2000 and 4000
less than 2000
more than 4000

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Hydraulics and Fluid Mechanics in ME
When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be

First rise and then fall
Steep
Horizontal
Nearly horizontal

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Hydraulics and Fluid Mechanics in ME
Stoke is the unit of

Kinematic viscosity in M. K. S. units
Dynamic viscosity in M. K. S. units
Kinematic viscosity in C. G. S. units
Dynamic viscosity in S. I. units

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Hydraulics and Fluid Mechanics in ME
Bernoulli equation deals with the law of conservation of

energy
momentum
work
mass

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Hydraulics and Fluid Mechanics in ME
According to Bernoulli's equation

Z + p/w + v²/2g = constant
Z + p/w - v²/2g = constant
Z - p/w - v²/2g = constant
Z - p/w + v²/2g = constant

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Hydraulics and Fluid Mechanics in ME
Reynold's number is the ratio of inertia force to

Pressure force
Gravity force
Elastic force
Viscous force

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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