Answer / muhammad ali

Datum line or point is a reference point for level
measurement.

Answer / ravi

Which point is we can take a refrance point for hight of
level .
Means our level is XXX mm from Datum line .
The bottum of measerd level tank is Datum line

Answer / elsayem

datum point is the rerence point when we measure level

Answer / imran

It is the refference point of any vessel from where zero
level start above bottom of vessel.For level measurement it
is zero level and head pressure is measured at this point.

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