1107Chemical EngineeringMedium
In an ammonia plant, the purge off is essential to________?
ARemove uncondensed ammonia vapour
BRemove excess poisonous gases
CMaintain inert gas concentration within a limit
DMaintain H2 : N2 ratio at 3 :1
Correct answer
D. Maintain H2 : N2 ratio at 3 :1
Explanation
The correct answer is Maintain H2 : N2 ratio at 3 :1.