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 1,00,000 4000 1000 4,00,000 1,00,000 4000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The main disadvantage of cement concrete sewers is Difficulty in construction Difficulty in transportation due to heavy weight Less strength Less life Difficulty in construction Difficulty in transportation due to heavy weight Less strength Less life ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be 2X X X/2 X/4 2X X X/2 X/4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called Anti-siphonage pipe Soil pipe Waste pipe Vent pipe Anti-siphonage pipe Soil pipe Waste pipe Vent pipe ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Oxidation Nitrification None of these Chlorination Oxidation Nitrification None of these Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The alum, when added as a coagulant in water Increases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water Decreases pH value of water Increases pH value of water Does not require alkalinity in water for flocculation Does not affect pH value of water Decreases pH value of water ANSWER DOWNLOAD EXAMIANS APP
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