Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 20 mm/hr 10 mm/hr 4 mm/hr 40 mm/hr 20 mm/hr 10 mm/hr 4 mm/hr 40 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The most common cause of acidity in water is Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Higher turbidity in the effluent Excessive negative head Mud ball formation Low temperature Higher turbidity in the effluent Excessive negative head Mud ball formation Low temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Same throughout the day Maximum at noon Minimum at noon Maximum at midnight Same throughout the day Maximum at noon Minimum at noon Maximum at midnight 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 Which of the following retards the self purification of stream? None of these Satisfying oxygen demand Sunlight Higher temperature None of these Satisfying oxygen demand Sunlight Higher temperature ANSWER DOWNLOAD EXAMIANS APP