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 1000 4000 1,00,000 4,00,000 1000 4000 1,00,000 4,00,000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method for disinfection of swimming pool water is By using potassium permanganate Lime treatment Ultra violet rays treatment Chlorination By using potassium permanganate Lime treatment Ultra violet rays treatment Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of sewer which is suitable for both combined and separate system is Semi-elliptical sewer Circular sewer Horseshoe type sewer Egg shaped sewer Semi-elliptical sewer Circular sewer Horseshoe type sewer Egg shaped sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In lime-soda process Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only carbonate hardness is removed Only noncarbonated hardness is removed Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness Only carbonate hardness is removed Only noncarbonated hardness is removed ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 0.25 to 0.35 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm 0.25 to 0.35 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.60 to 1.00 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Main sewer House sewer Sub-main sewer Lateral sewer Main sewer House sewer Sub-main sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP