Environmental Engineering Facultative bacteria are able to work in Presence as well as in absence of oxygen Presence of water Absence of oxygen only Presence of oxygen only Presence as well as in absence of oxygen Presence of water Absence of oxygen only Presence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Combined system Partially separate system Partially combined system Separate system Combined system Partially separate system Partially combined system Separate system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to rapid sand filters, slow sand filters give (i) Slower filtration rate (ii) Higher filtration rate (iii) Lesser efficiency in removal of bacteria (iv) Higher efficiency in removal of bacteria The correct answer is (ii) and (iii) (i) and (iv) (i) and (ii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Maximum flow only Maximum and minimum flow Average flow only Minimum flow only Maximum flow only Maximum and minimum flow Average flow only Minimum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Air binding phenomena in rapid sand filters occur due to Excessive negative head Low temperature Higher turbidity in the effluent Mud ball formation Excessive negative head Low temperature Higher turbidity in the effluent Mud ball formation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Is easy to construct Is economical than circular section Provides self cleansing velocity at low discharges Is more stable than circular section Is easy to construct Is economical than circular section Provides self cleansing velocity at low discharges Is more stable than circular section ANSWER DOWNLOAD EXAMIANS APP
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