Q. Pick up the correct statement from the following :

View solution

Q. Pick up the incorrect statement from the following :

View solution

Q. Pick up the correct statement from the following :

View solution

Q. Pick up the correct statement from the following :

View solution

Q. Cement concrete sewers are only suitable if non-scouring velocity is between

View solution

Q. The grit chambers of sewage treatment plants, are generally cleaned after

View solution

Q. The spacing of bars for perforations in coarse screens used for the treatment of sewage, is

View solution

Q. In very first stage of decomposition of the organic matter in sewage

View solution

Q. The underground sewers are more subjected to

View solution

Q. Pick up the correct statement from the following :

View solution

Q. The sewer pipes

View solution

Q. The normal values of over flow rates for secondary sedimentation tanks, ranges between

View solution

Q. The Brake Horse power of the motor (efficiency 60%) required for a pump of capacity 0.075 cumec for a total lift of 12 m, is

View solution

Q. The normal value of over flow rates for plain primary sedimentation tanks, ranges between

View solution

Q. The asbestos cement sewers are

View solution

Q. Bottom openings 15 cm x 15 cm in the standing baffle wall are provided

View solution

Q. Faculative bacterias survive in

View solution

Q. The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is

View solution

Q. For sewers, inverted siphon is provided for

View solution

Q. The coagulant which is generally not used for treating the sewage, is

View solution