Environmental Engineering Sewerage system is usually designed for 27 years 26 years 28 years 25 years 27 years 26 years 28 years 25 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Most suitable section of sewer in separate sewage system is Rectangular section Circular section Modified egg shaped section Standard form of egg shaped sewer Rectangular section Circular section Modified egg shaped section Standard form of egg shaped sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Low temperature Higher turbidity in the effluent Mud ball formation Excessive negative head Low temperature Higher turbidity in the effluent Mud ball formation Excessive negative head ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Cleaning is done by (i) Scraping and removal in filters slow sand (ii) Back washing in slow sand filters (iii) Scraping and removal in filters rapid sand (iv) Back washing in rapid sand filters The correct answer is (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Larger Smaller Same None of these Larger Smaller Same None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 5 liters/sec 500 liters/sec 50 liters/sec 1000 liters/sec 5 liters/sec 500 liters/sec 50 liters/sec 1000 liters/sec ANSWER DOWNLOAD EXAMIANS APP