Type of wunit operation. Fire tube drum boill.

Type of process Stcam ptoduction.

Proccss variable: $($i$)$ Tanperature of the boilar

$($ii$)$ Water level inside the hotten:

$($iii$)$ Statin pressure.

Process $4$

Type of unit opcration: Scrubber columin.

Type of process: Gas, cleaning

Process variables: $($i$)$ Pressure at point I and $2$ shall be indicated.

$($ii$)$ Flow ratc of dirty gis.

$($iii$)$ Conecntration of clean gas through fresh water tlow rate: