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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)

wH2/4
wH/2
wH
wH2/2

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Hydraulics and Fluid Mechanics in ME
The Bernoulli's equation is based on the assumption that

The velocity of flow is uniform across any cross-section of the pipe
No force except gravity acts on the fluid
There is no loss of energy of the liquid flowing
All of these

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Hydraulics and Fluid Mechanics in ME
A hydraulic coupling belongs to the category of

Energy transfer machines
Power developing machines
Power absorbing machines
Energy generating machines

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Hydraulics and Fluid Mechanics in ME
Reaction turbines are used for

Low head and high discharge
Low head
High head and low discharge
High head

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Hydraulics and Fluid Mechanics in ME
One poise is equal to

10 N-s/m2
0.1 N-s/m2
100 N-s/m2
1 N-s/m2

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

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

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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