If the pH value of sewage is 7__________________?

Related Mcqs:

Pick up the correct statement from the following ?

A. Rate of digestion of sludge is more at higher temperature B. Thermophilic organisms digest the sludge if the temperature ranges from 40° to 60°C C. Mesophilic organisms digest the sludge if the temperature is between 25° and 40°C D. All the above...

A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is_____________________?

A. 2.30 m B. 2.40 m C. 2.45 m D. 2.50 m...

Imhoff cone is used to determine_____________________?

A. Settleable solids B. Suspended solids C. Dissolved solids D. None of these...

The coagulant widely used for sewage treatment, is_________________?

A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas...

If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of__________________?

A. Degradation B. Active decomposition C. Recovery D. Cleaner water...