Environmental Engineering The minimum and maximum diameters of sewers shall preferably be 15 cm and 300 cm 30 cm and 450 cm 60 cm and 300 cm 15 cm and 100 cm 15 cm and 300 cm 30 cm and 450 cm 60 cm and 300 cm 15 cm and 100 cm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is 40 ppm 10 ppm 4 ppm 1 ppm 40 ppm 10 ppm 4 ppm 1 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effect of increasing diameter of sewer on the self cleansing velocity is Nil To increase it To decrease it Fluctuating Nil To increase it To decrease it Fluctuating ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In chlorination, with the rise in temperature of water, death rate of bacteria None of these Increases Remains unaffected Decreases None of these Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is 9800 10100 9500 10920 9800 10100 9500 10920 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The characteristics of fresh and septic sewage respectively are Both acidic Acidic and alkaline Both alkaline Alkaline and acidic Both acidic Acidic and alkaline Both alkaline Alkaline and acidic ANSWER DOWNLOAD EXAMIANS APP