engineering recuitment BHEL Engineer Trainee Mock Test 2025 Environmental Engineering Sewage Sewage Treatment
What will be the Sludge Volume Index (SVI) if 100 ml of sludge collected in 30 mins on drying weighs 800 mg?
1
115
2
78
3
125
4
100
What will be the Sludge Volume Index (SVI) if 100 ml of sludge collected in 30 mins on drying weighs 800 mg?