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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of absolute viscosity to mass density is known as

kinematic viscosity
viscosity index
coefficient of viscosity
specific viscosity

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

Remain unaffected
Decreases
Increases
First increases and then decreases

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Hydraulics and Fluid Mechanics in ME
When a vertical wall is subjected to pressures due to liquid on both sides, the resultant pressure is the __________ of the two pressures.

Geometric mean
Sum
Difference
Arithmetic mean

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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

constant
variable
zero
zero under limiting conditions

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Hydraulics and Fluid Mechanics in ME
The runaway speed of a hydraulic turbine is the speed

At which the turbine will run freely without load
Corresponding to maximum overload permissible
At full load
At which there will be no damage to the runner

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Hydraulics and Fluid Mechanics in ME
A pressure of 25 m of head of water is equal to

245 kN/m2
2.5 kN/m2
2500 kN/m2
25 kN/m2

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