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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Ratio of inertia force to elastic force is known as

Mach number
Reynold’s number
Froude number
Weber’s number

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Hydraulics and Fluid Mechanics in ME
The gross or total head of the turbine is the ___________ of the water levels at the head race and tail race.

Product
Sum
Difference
None of these

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Hydraulics and Fluid Mechanics in ME
The total pressure on the top of a closed cylindrical vessel completely filled up with a liquid is

Inversely proportional to (radius)4
Directly proportional to (radius)2
Inversely proportional to (radius)2
Directly proportional to (radius)4

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Hydraulics and Fluid Mechanics in ME
The unit of kinematic viscosity in S. I. units is

N-s/m2
N-m/s
m2/s
N-m

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of rectangular section will be maximum, if

Its breadth is thrice the depth
Its breadth is twice the depth
Its depth is twice the breadth
Its depth is thrice the breadth

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wx
wA
wAx
wAx/sinθ

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