Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Sterilisation None of these Disinfection Aeration Sterilisation None of these Disinfection Aeration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Water Air Noise Radioactive Water Air Noise Radioactive ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Sulphur Calcium Phosphorous Fluorine Sulphur Calcium Phosphorous Fluorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sedimentation tanks Oxidation ponds Clarifier Sludge digester Sedimentation tanks Oxidation ponds Clarifier Sludge digester ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 15 to 20 9 to 10 1 to 2 4 to 5 15 to 20 9 to 10 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 45 115 10 90 45 115 10 90 ANSWER DOWNLOAD EXAMIANS APP