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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

wh
h/w
w/h
h

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Hydraulics and Fluid Mechanics in ME
According to Bernoulli's equation

Z - p/w + v²/2g = constant
Z + p/w + v²/2g = constant
Z + p/w - v²/2g = constant
Z - p/w - v²/2g = constant

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Hydraulics and Fluid Mechanics in ME
A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the

Manometric head
Velocity head
Kinetic head
Static head

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Hydraulics and Fluid Mechanics in ME
The meatcentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is

10.4 sec
5.2 sec
14.1 sec
4.1 sec

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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 per unit length is (where w = Specific weight of liquid, and H = Height of liquid)

wH2/3
wH/2
wH
wH2/2

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Hydraulics and Fluid Mechanics in ME
The units of kinematic viscosity are

metres² per sec
newton-sec per meter
kg sec/meter
newton-sec per meter

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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