Environmental Engineering The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about 0.05 to 0.5 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm 0.05 to 0.5 ppm 0.5 to 1.0 ppm 0.01 to 0.05 ppm 1.0 to 5.0 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The ratio of 5 day BOD to ultimate BOD is about 43864 43833 1 43894 43864 43833 1 43894 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 180000 m³ 150000 m³ 100000 m³ 270000 m³ 180000 m³ 150000 m³ 100000 m³ 270000 m³ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 1000 liters/sec 5 liters/sec 500 liters/sec 50 liters/sec 1000 liters/sec 5 liters/sec 500 liters/sec 50 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Slightly greater than 1 Much greater than 1 Slightly less than 1 Equal to 1 Slightly greater than 1 Much greater than 1 Slightly less than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank Only (i) (i) and (ii) Only (iii) (i) and (iii) Only (i) (i) and (ii) Only (iii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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