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 1,00,000 1000 4,00,000 4000 1,00,000 1000 4,00,000 4000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the average daily consumption of a city is 100,000 m³, the maximum daily consumption on peak hourly demand will be 150000 m³ 100000 m³ 180000 m³ 270000 m³ 150000 m³ 100000 m³ 180000 m³ 270000 m³ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Good quality of water Use of metering system Hotter climate Better standard of living of the people Good quality of water Use of metering system Hotter climate Better standard of living of the people ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of water The correct answer is (i) and (ii) (ii) and (iii) (ii) and (iv) (i)and(iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 30 to 45 minutes 2 to 6 days 1 to 2 minutes 2 to 6 hours 30 to 45 minutes 2 to 6 days 1 to 2 minutes 2 to 6 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and less More and more Less and less Less and more More and less More and more Less and less Less and more ANSWER DOWNLOAD EXAMIANS APP
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