Ventilating shafts are provided to a sewer line at every__________________?

Related Mcqs:

The Chezy’s constant C in the formula V = C_________________?

A. Size of the sewer B. Shape of the sewer C. Roughness of sewer surface 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...

Large diameter sewers subjected to external pressure alone, are reinforced ______________________?

A. Near the inner surface of the pipe B. Near the outer surface of the pipe C. Both A. and B. D. With elliptical cage...

In septic tanks, decomposition of organic bacteria, is done by_____________________?

A. Anaerobic bacteria B. Aerobic bacteria C. Both types of bacterias D. None of these...

In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is____________________?

A. [(100 + P1)/(100 – P2)] V1 B. [(100 – P1)/(100 + P2)] V1 C. [(100 – P1)/(100 – P2)] V1 D. [(100 + P2)/(100 – P1)] V1...