Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Bleaching powder Copper sulphate Activated carbon Alum Bleaching powder Copper sulphate Activated carbon Alum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 1.2 4.8 0.2 0.002 1.2 4.8 0.2 0.002 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Composting Biological oxidation Incineration None of these Composting Biological oxidation Incineration None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes All of these Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea All of these Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in All of these Flood Decrease in food productivity Cyclone All of these Flood Decrease in food productivity Cyclone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Suspended silica Dissolved oxygen Turbidity Caustic embrittlement Suspended silica Dissolved oxygen Turbidity Caustic embrittlement ANSWER DOWNLOAD EXAMIANS APP
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