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 4 mm/hr 10 mm/hr 20 mm/hr 40 mm/hr 4 mm/hr 10 mm/hr 20 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 30 to 35 40 to 50 10 to 15 20 to 25 30 to 35 40 to 50 10 to 15 20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum efficiency of BOD removal is achieved in Oxidation pond Oxidation ditch Aerated lagoons Trickling filters Oxidation pond Oxidation ditch Aerated lagoons Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Septic tank is a (i) Settling tank (ii) Digestion tank (iii) Aeration tank (i) and (ii) Only (iii) (i) and (iii) Only (i) (i) and (ii) Only (iii) (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The rate of BOD exerted at any time is Inversely proportional to BOD satisfied Directly proportional to BOD satisfied Directly proportional to BOD remaining Inversely proportional to BOD remaining Inversely proportional to BOD satisfied Directly proportional to BOD satisfied Directly proportional to BOD remaining Inversely proportional to BOD remaining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The devices which are installed for drawing water from the sources are called Intakes Filters Aquifers Aquiclude Intakes Filters Aquifers Aquiclude ANSWER DOWNLOAD EXAMIANS APP
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