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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the elastic force is called

Weber's number
Froude's number
Mach number
Reynold's number

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Hydraulics and Fluid Mechanics in ME
Cavitation is caused by

high velocity
low pressure
high pressure
weak material

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Hydraulics and Fluid Mechanics in ME
Choose the wrong statement. Alcohol is used in manometer, because

It provides longer length for a given pressure difference
Its vapour pressure is low
It provides suitable meniscus for the inclined tube
Its density is less

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Hydraulics and Fluid Mechanics in ME
Center of pressure compared to e.g. is

At same point
Above it
Above or below depending on area of body
Below it

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Hydraulics and Fluid Mechanics in ME
In the case of steady flow of a fluid, the acceleration of any fluid particle is

zero under limiting conditions
zero
constant
variable

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Hydraulics and Fluid Mechanics in ME
The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.

One-half
Equal to
Double
Three fourth

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