The first stage of neutral process of sludge digestion, is__________________?

Related Mcqs:

The sewer pipes__________________?

A. Carry sewage as gravity conduits B. Are designed for generating self-cleansing velocities at different discharge C. Should resist the wear and tear caused due to abrasion D. All the above...

Inter-distance between ventilation columns in a sewer line is kept__________________?

A. 25 to 50 m B. 50 m to 100 m C. 100 m to 150 m D. 150 m to 300 m...

The detention time (t) of a settling tank, may be defined as the time required for_________________?

A. A particle to travel along its length B. A particle to travel from top surface to bottom sludge zone C. The flow of sewage to fill the tank D. None of these...

Drop manholes at the junctions of sewer lines, are provided if________________?

A. Invert level of a branch sewer is more than 60 cm that of the main sewer B. Sewer line runs along a main road C. Ordinary manhole cannot be built D. Two sewer lines intersect...

The most effective arrangement for diverting excess storm water into a natural drainage, is____________________?

A. Leaping weir B. Overflow weir C. Siphon spill way D. None of these...