The gas from sludge digestion tank is mainly composed of __________________?

Related Mcqs:

Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about_______________?

A. 10 to 25 B. 50 C. 75 D. 100...

The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is________________?

A. circle method B. equivalent pipe method C. electrical analysis method D. Hardy cross method...

Composting and lagooning are the methods of_______________?

A. sludge digestion B. sludge disposal C. sedimentation D. filtration...

Corrosion in concrete sewers is caused by______________?

A. septic conditions B. dissolved oxygen C. chlorine D. nitrogen...

The process in which the chlorination is done beyond the break point is known as_________________?

A. prechlorination B. post chlorination C. super chlorination D. break point chlorination...