Hydraulics and Fluid Mechanics in ME
If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be

1.5 B.H.P
0.75 B.H.P
Same
H.P./0.75

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Hydraulics and Fluid Mechanics in ME
In case of flow through parallel pipes,

The total head loss is the sum of head losses in the various pipes
The head loss for all the pipes is same
The total discharge is equal to the sum of discharges in the various pipes
Both (A) and (B)

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Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will float if

None of these
Gravitational force is less than the up-thrust of the liquid
Gravitational force is equal to the up-thrust of the liquid
Gravitational force is more than the up-thrust of the liquid

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