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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/h
h/w

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Hydraulics and Fluid Mechanics in ME
The pressure of fluid due to hammer blow is

Directly proportional to (density)1/2 of fluid
Directly proportional to density of fluid
Inversely proportional to (density)1/2 of fluid
Inversely proportional to density of fluid

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Hydraulics and Fluid Mechanics in ME
The weight per unit volume of a liquid at a standard temperature and pressure is called

Mass density
Specific gravity
Specific weight
None of these

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Hydraulics and Fluid Mechanics in ME
The unit discharge through the turbine is

Q/H3/2
Q/√H
Q/H²
Q/H

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Hydraulics and Fluid Mechanics in ME
The loss of head at exit of a pipe is (where v = Velocity of liquid in the pipe)

0.75v²/2g
0.375v²/2g
v²/2g
0.5v²/2g

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Pressure in cylinder vs. swept volume
Flow vs. speed
Pressure vs. speed
Flow vs. swept volume

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