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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The unit power developed by a turbine is (where P = Power developed by the turbine under a head of water (H).

P/ √H
P/ H
P/ H3/2
P/ H²

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Hydraulics and Fluid Mechanics in ME
Axial flow pump is started with its delivery valve

Kept 50% open
Irrespective of any position
Kept fully closed
Kept fully open

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Hydraulics and Fluid Mechanics in ME
The total pressure on an immersed surface inclined at an angle θ with the liquid surface is

wAx
wA
wx
wAx/sinθ

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Hydraulics and Fluid Mechanics in ME
If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium.

None of these
Neutral
Unstable
Stable

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

None of the listed here
Lesser
Greater
Same

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is

0.56
0.36
0.46
0.26

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