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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

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

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Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

pitot tube
Venturimeter
hot wire anemometer
rotameter

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Hydraulics and Fluid Mechanics in ME
Alcohol is used in manometers because

It has low vapour pressure
It has low surface tension
It can provide longer column due to low density
It is clearly visible

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Hydraulics and Fluid Mechanics in ME
The discharge in an open channel corresponding to critical depth is

Maximum
Minimum
Zero
None of these

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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

variable
zero under limiting conditions
zero
constant

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

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

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