Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The non-clog pump which permits solid matter to pass out with the liquid sewage, is None of these Pneumatic ejector Centrifugal pump Reciprocating pump None of these Pneumatic ejector Centrifugal pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 100 upward 1 in 500 upward 1 in 100 downward 1 in 503 upward 1 in 100 upward 1 in 500 upward 1 in 100 downward 1 in 503 upward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 3 m 4 m 3.5 m 4.5 m 3 m 4 m 3.5 m 4.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Horse shoe shaped Parabolic shaped Circular shaped Standard egg shaped Horse shoe shaped Parabolic shaped Circular shaped Standard egg shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known None of these Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) None of these Dissolved Oxygen (D.O.) Bio-Chemical Oxygen Demand (B.O.D.) Chemical Oxygen Demand (C.O.D.) ANSWER DOWNLOAD EXAMIANS APP