Environmental Engineering A sewer that receives the discharge of a number of house sewers is called House sewer Intercepting sewer Sub-main sewer Lateral sewer House sewer Intercepting sewer Sub-main sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Higher value Accurate value Same value Lesser value Higher value Accurate value Same value Lesser value ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Trickling filters Sludge digestion tank Sedimentation tank Activated sludge treatment Trickling filters Sludge digestion tank Sedimentation tank Activated sludge treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 1 ppm 10 ppm 40 ppm 4 ppm 1 ppm 10 ppm 40 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Trickling filters Aerated lagoons Oxidation ditch Oxidation pond Trickling filters Aerated lagoons Oxidation ditch Oxidation pond 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
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