A manhole is classified as shallow if its depth is between_________________?
The stone ware sewers_________________?
The most efficient cross section of sewers in a separate sewerage system is__________________?
For trunk and out-fall, the type of sewers generally used, is_____________________?
The minimum diameter of a sewer is kept __________________?
Pick up the correct statement from the following _________________?
An inverted siphon is designed generally for____________________?
Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter______________________?
In sewers designed with self cleansing velocity________________?
The spacing of bars of perforations of fine screens used for the treatment of sewage, is_______________?