Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 50 5 2000 5000 50 5 2000 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CH₄ H₂ CO₂ CO CH₄ H₂ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 10 250 1000 1 10 250 1000 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Inorganic pollutants Radioactive substances None of these Natural organic products Inorganic pollutants Radioactive substances None of these Natural organic products ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Noise Water Radioactive Air Noise Water Radioactive Air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 10 200 1000 2000 10 200 1000 2000 ANSWER DOWNLOAD EXAMIANS APP