The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is____________________?
For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is____________________?
The width of a settling tank with 2 hour detention period for treating sewage 378 cu m per hour, is __________________?
The normal values of over flow rates for secondary sedimentation tanks, ranges between__________________?
If the pH value of sewage is 7__________________?
For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed________________?
For design purposes, the normal rate of infiltration of ground water into the sewer, is___________________?
The drop man holes are generally provided in sewers for____________________?
A rain sanitary sewer is constructed to carry_________________ ?
For house drainage minimum gradient is__________________?