railway RRB JE (CBT I + CBT II) Mock Test 2024 Environmental Engineering Water Treatment Filtration

_________ is adopted in water treatment, when there is an epidemic in the locality. 

1
Super chlorination
2
Break point chlorination
3
Pre-chlorination
4
Double chlorination
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters