railway RRB JE (CBT I + CBT II) Mock Test 2024 Environmental Engineering Quality and Characteristics of Sewage

Which value of BOD/COD ratio for untreated wastewater is biologically treated?

1
>0.5
2
<0.75
3
>0.3
4
<0.1
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