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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
To avoid an interruption in the flow of a syphon, an air vessel is provided

ay nay point between inlet and outlet
at the summit
at the outlet
at the inlet

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Hydraulics and Fluid Mechanics in ME
Low specific speed of turbine implies it is

Impulse turbine
Propeller turbine
Any one of the above
Francis turbine

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Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

increases with pressure
is large when fluid is more compressible
is independent of pressure and viscosity
has the dimensions of 1/pressure

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Hydraulics and Fluid Mechanics in ME
Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is

equal
slightly more
slightly less
nearly half

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Hydraulics and Fluid Mechanics in ME
The discharge through a reaction turbine ___ with the increase in unit speed.

Decreases
Remain same
None of the listed here
Increases

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Hydraulics and Fluid Mechanics in ME
The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)

64/RN
4/RN
16/RN
1/RN

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