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 Presence of nitrates in water in excess of 50 ppm causes Asphyxiation Tooth decay Gastroentetitis Mathenoglobenemia Asphyxiation Tooth decay Gastroentetitis Mathenoglobenemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Colorimeter Turbidimeter Tintometer Electro-chemical cell Colorimeter Turbidimeter Tintometer Electro-chemical cell ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Anemia Asphyxiation (suffocation) Bone decay Cancer Anemia Asphyxiation (suffocation) Bone decay Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? Hydrocarbons SO₂ CO NOx Hydrocarbons SO₂ CO NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Copper sulphate Alum Bleaching powder Activated carbon Copper sulphate Alum Bleaching powder Activated carbon ANSWER DOWNLOAD EXAMIANS APP