For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is__________________?

Related Mcqs:

If the flame of a miner’s safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains_______________?

A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen...

If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is_________________?

A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l...

The quantity of liquid waste which flows in sewers during the period of rainfall, is known__________________?

A. Sanitary sewage B. Industrial waste C. Storm sewage D. None of these...

For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is____________________?

A. Cast iron sewers B. Cement concrete sewers C. Glazed bricks sewers D. Stone ware sewers...

In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is_________________?

A. 2.25 B. 2.50 C. 2.55 D. 2.65...