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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be

w/h
h/w
wh
h

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Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/6
d/2
d/4
d

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Hydraulics and Fluid Mechanics in ME
The surface tension of mercury at normal temperature is __________ that of water.

Same as
None of these
Lower than
Higher than

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Hydraulics and Fluid Mechanics in ME
Dimensions of surface tension are

ML r²
ML°T
ML²T²
ML°T⁻²

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Hydraulics and Fluid Mechanics in ME
Stream lines and path lines always coincide in case of

turbulent flow
steady flow
uniform flow
laminar flow

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Hydraulics and Fluid Mechanics in ME
Head developed by a centrifugal pump is

Proportional to speed of impeller
Proportional to diameter of impeller
Proportional to diameter and speed of impeller
None of these

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