Maximum permissible velocity 1.5 m/sec, is adopted in drains_______________________?

Related Mcqs:

Pick up the correct statement from the following ?

A. Small sewers are cleaned by flushing B. Medium sewers are cleaned by cane rodding C. Medium sewers may be cleaned by pills D. All the above...

In trickling filter, B.O.D. is reduced to___________________?

A. 30 to 40% B. 40 to 60% C. 60 to 80% D. 80 to 90%...

Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is__________________?

A. pt = 3H3p/2 Z5 B. pt = 2H3p/3 Z5 C. pt = 3H3p/2Z5 D. pt = 2 3p/3Z5...

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains__________________?

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

In sewers designed with self cleansing velocity________________?

A. The bottom is silted B. The bottom is scoured C. Both silting and scouring occur at the bottom D. Neither silting nor scouring occurs at the bottom...