Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 9 to 10 1 to 2 15 to 20 4 to 5 9 to 10 1 to 2 15 to 20 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Highly Very extremely Extremely Moderately Highly Very extremely Extremely Moderately ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sedimentation tanks Sludge digester Oxidation ponds Clarifier Sedimentation tanks Sludge digester Oxidation ponds Clarifier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Pensylvania (U.S.A.) Moscow (U.S.S.R.) Chernobyl (undivided U.S.S.R.) Arizona (U.S.A.) Pensylvania (U.S.A.) Moscow (U.S.S.R.) Chernobyl (undivided U.S.S.R.) Arizona (U.S.A.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 4000 to 5000 100 to 200 10 to 20 1500 to 2500 4000 to 5000 100 to 200 10 to 20 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Turbidity Color (Hazen) Total solids All of these Turbidity Color (Hazen) Total solids All of these ANSWER DOWNLOAD EXAMIANS APP
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