Environmental Engineering If Biochemical oxygen demand (BOD) of a town is 20000 kg/day and BOD per capita per day is 0.05 kg, then population equivalent of town is 4,00,000 4000 1000 1,00,000 4,00,000 4000 1000 1,00,000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is 1 Infinite 100 Zero 1 Infinite 100 Zero ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering 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 Check valve Scour valve Safety valve Sluice valve Check valve Scour valve Safety valve Sluice valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 2 to 4 0.2 to 0.4 5 to 7 0.4 to 1.0 2 to 4 0.2 to 0.4 5 to 7 0.4 to 1.0 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Length of sewer Hydraulic mean depth of sewer Grade of sewer Roughness of sewer Length of sewer Hydraulic mean depth of sewer Grade of sewer Roughness of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Egg shaped sewer Circular sewer Horseshoe type sewer Semi-elliptical sewer Egg shaped sewer Circular sewer Horseshoe type sewer Semi-elliptical sewer ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS