Environmental Engineering The devices which are installed for drawing water from the sources are called Filters Aquiclude Intakes Aquifers Filters Aquiclude Intakes Aquifers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 0.4 to 1.0 0.2 to 0.4 2 to 4 5 to 7 0.4 to 1.0 0.2 to 0.4 2 to 4 5 to 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The treatment of water with bleaching powder is known as Pre-chlorination De-chlorination Super chlorination Hypo-chlorination Pre-chlorination De-chlorination Super chlorination Hypo-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The water carriage system of collection of waste product Is cheaper in initial cost than dry conservancy system Creates hygienic problem Requires treatment before disposal All of these Is cheaper in initial cost than dry conservancy system Creates hygienic problem Requires treatment before disposal All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 50 to 150 350 to 500 150 to 350 0 to 50 50 to 150 350 to 500 150 to 350 0 to 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 40 mm/hr 20 mm/hr 4 mm/hr 10 mm/hr 40 mm/hr 20 mm/hr 4 mm/hr 10 mm/hr ANSWER DOWNLOAD EXAMIANS APP
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