Environmental Engineering As compared to cast iron pipes, steel pipes are Stronger Costlier Heavier Less susceptible to corrosion Stronger Costlier Heavier Less susceptible to corrosion 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 180000 m³ 270000 m³ 150000 m³ 100000 m³ 180000 m³ 270000 m³ 150000 m³ 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 400 ppm 200 ppm 100 ppm 300 ppm 400 ppm 200 ppm 100 ppm 300 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following retards the self purification of stream? None of these Sunlight Satisfying oxygen demand Higher temperature None of these Sunlight Satisfying oxygen demand Higher temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Contains pathogenic bacteria Consists of undesirable substances rendering it unfit for drinking and domestic use Is safe and suitable for drinking and domestic use Is contaminated Contains pathogenic bacteria Consists of undesirable substances rendering it unfit for drinking and domestic use Is safe and suitable for drinking and domestic use Is contaminated ANSWER DOWNLOAD EXAMIANS APP