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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following meters is not associated with viscosity

Red wood
Engler
Say bolt
Orsat

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Hydraulics and Fluid Mechanics in ME
In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice.

One-fourth
One-half
Equal to
One-third

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Hydraulics and Fluid Mechanics in ME
The pressure of fluid due to hammer blow is

Directly proportional to (density)1/2 of fluid
Directly proportional to density of fluid
Inversely proportional to (density)1/2 of fluid
Inversely proportional to density of fluid

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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.

Sum
Product
Difference
None of these

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Hydraulics and Fluid Mechanics in ME
In steady flow of a fluid, the total accele ration of any fluid particle

is never zero
is always zero
can be zero
is independent of coordinates

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Hydraulics and Fluid Mechanics in ME
The speed of a turbine runner is

Directly proportional to H1/2
Directly proportional to H3/2
Inversely proportional to H1/2
Inversely proportional to H3/2

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