Environmental Engineering in CE Disinfection of water is done to remove Color Foul odour Bad taste Bacteria Color Foul odour Bad taste Bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Incineration Composting Biological oxidation None of these Incineration Composting Biological oxidation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 100 5 1000 2000 100 5 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 8 to 12 24 to 32 2 to 4 16 to 20 8 to 12 24 to 32 2 to 4 16 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Salt content in sea water is about __________ percent. 10 1 3.5 0.5 10 1 3.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 125 145 105 85 125 145 105 85 ANSWER DOWNLOAD EXAMIANS APP
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