Answer / vinoth

drip can be access or reuse again.
drain is once through or excluded from the system.

Answer / rahul anand

well in power plants drippumps are also used to pump water back into deaerator when stem gets condensed either in GSC or it could be in HP/LP heateors.
Drain is not a part of close loop system ie either we are reusing in water (dm water system)

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