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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A thick liquid like syrup has a ___ viscosity than a light liquid like water.

Greater
Lesser
None of the listed here
Same

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Hydraulics and Fluid Mechanics in ME
The width of the bucket for a Pelton wheel is generally ________ the diameter of jet.

Four times
Double
Five times
Three times

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Hydraulics and Fluid Mechanics in ME
Coefficient of velocity of venturimeter

is independent of Reynolds number
decreases with higher Reynolds number
is equal to the coefficient of discharge of venturimeter
None of these

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Hydraulics and Fluid Mechanics in ME
In a Francis turbine runner, the numbers of blades are generally between

16 to 24
8 to 16
4 to 8
2 to 4

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Hydraulics and Fluid Mechanics in ME
A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called

Archimedes’s principle
Pascal’s law
D-Alembert’s principle
None of these

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Hydraulics and Fluid Mechanics in ME
The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s)

waV / g
waV² / 2g
waV² / g
waV / 2g

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