Environmental Engineering The main disadvantage of oxidation pond is that BOD removal is very low None of these Maintenance and operation cost are high Large area is required for construction BOD removal is very low None of these Maintenance and operation cost are high Large area is required for construction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process of lagooning is primarily a means of Disposing of sludge Increasing the capacity of storage reservoirs Increasing flow of sewage through imhoff tanks Reducing the excessive flow in sewers Disposing of sludge Increasing the capacity of storage reservoirs Increasing flow of sewage through imhoff tanks Reducing the excessive flow in sewers ANSWER DOWNLOAD EXAMIANS APP
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 4000 4,00,000 1,00,000 1000 4000 4,00,000 1,00,000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Period of cleaning of slow sand filters is about 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours 1 - 2 year 10 - 12 days 2 - 3 months 24 - 48 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Dissolved impurities Suspended impurities None of these Both suspended and dissolved impurities Dissolved impurities Suspended impurities None of these Both suspended and dissolved impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A sewer that receives the discharge of a number of house sewers is called Intercepting sewer House sewer Lateral sewer Sub-main sewer Intercepting sewer House sewer Lateral sewer Sub-main sewer ANSWER DOWNLOAD EXAMIANS APP
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