Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 19 7 1 82 19 7 1 82 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 25 150 1 650 25 150 1 650 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Cancer Bronchitis Asphyxiation Corrosion Cancer Bronchitis Asphyxiation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 5 1 10 20 5 1 10 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. Coal ash Ortho-xylene None of these Potassium cyanide Coal ash Ortho-xylene None of these Potassium cyanide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Aluminium sulphate Ferrous sulphate Chloramine Hydrated lime Aluminium sulphate Ferrous sulphate Chloramine Hydrated lime ANSWER DOWNLOAD EXAMIANS APP
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