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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

51 cm
52.2 cm
50 cm
52 cm

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Hydraulics and Fluid Mechanics in ME
A fluid having no viscosity is known as

Non-Newtonian fluid
Newtonian fluid
Real fluid
Ideal fluid

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Hydraulics and Fluid Mechanics in ME
A turbine develops 10000 kW under a head of 25 meters at 135 r.p.m. Its specific speed is

175.4 r.p.m.
275.4 r.p.m
241.5 r.p.m.
215.5 r.p.m.

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Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Euler's number
Froude's number
Mach number
Reynold's number

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

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

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Hydraulics and Fluid Mechanics in ME
The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

Mechanical efficiency
Overall efficiency
Volumetric efficiency
Manometric efficiency

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