The recommended detention period for grit chambers is_______________?

Related Mcqs:

The rainfall at any place may be determined by__________________?

A. Its intensity B. Its direction C. Its frequency D. All the above...

The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be__________________?

A. 0.9 cm B. 1.2 m C. 1.5 m D. > 1.5 m...

The presence of free ammonia in sewage, is detected by___________________?

A. Boiling B. Adding potassium permanganate C. Adding sulphuric acid D. Phenol-di-sulphuric acid...

The gradient of sewers depends upon_________________?

A. Velocity of flow B. Diameter of the sewer C. Discharge D. All the above...

The minimum recommended diameter of sewers, is_________________?

A. 5 cm B. 10 cm C. 15 cm D. 20 cm...