Alum as a coagulant is found to be most effective when pH range of water is______________?
The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally_______________?
The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is_______________?
The method of analysis of distribution system in which the domestic supply is neglected and fire demand is considered is________________?
The suitable layout of distribution system for a city with roads of rectangular pattern is______________?
The suitable layout of a distribution system for irregularly growing town is_______________?
Activated carbon is used for_____________?
The major disadvantage of lime soda process of water softening is that_________________?
Disinfection efficiency is________________?
The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is________________?
