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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the velocity distribution is uniform over the cross-section, the correction factor for momentum is

2
43924
1

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

H/2
2H/3
H/3
3H/4

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Hydraulics and Fluid Mechanics in ME
A venturi-flume is used to measure

Pressure difference between two points in a pipe
Pressure difference between two points in a channel
Discharge of liquid
Pressure of liquid

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Hydraulics and Fluid Mechanics in ME
Two pipes of same length and diameters d and 2d respectively are connected in series. The diameter of an equivalent pipe of same length is

between d and 1.5 d
less than d
greater than 2d
between 1.5 d and 2d

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Hydraulics and Fluid Mechanics in ME
The efficiency of a Pelton wheel working under constant head ________ with the increase in power.

Remain same
None of these
Increases
Decreases

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Hydraulics and Fluid Mechanics in ME
High specific speed of a pump implies it is

Centrifugal pump
Mixed flow pump
Any one of the above
Axial flow pump

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