Hydraulics and Fluid Mechanics in ME
When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called

Absolute pressure
Vacuum pressure
Gauge pressure
Positive gauge pressure

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

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