Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 15 cm and 300 cm 30 cm and 450 cm 15 cm and 100 cm 60 cm and 300 cm 15 cm and 300 cm 30 cm and 450 cm 15 cm and 100 cm 60 cm and 300 cm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle, is Copper Cast iron Reinforced cement concrete Steel Copper Cast iron Reinforced cement concrete Steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 200 ppm 400 ppm 100 ppm 300 ppm 200 ppm 400 ppm 100 ppm 300 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 25°C - 3 day 30°C - 5 day 20°C - 1 day 20°C - 5 day 25°C - 3 day 30°C - 5 day 20°C - 1 day 20°C - 5 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Pressure relief valve Sluice valve Reflux valve Air relief valve Pressure relief valve Sluice valve Reflux valve Air relief valve 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 100000 m³ 270000 m³ 180000 m³ 150000 m³ 100000 m³ 270000 m³ 180000 m³ 150000 m³ ANSWER DOWNLOAD EXAMIANS APP
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