Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. Iron Silica None of these Coal Iron Silica None of these Coal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Beverages Glass & ceramic Tanneries Any of these Beverages Glass & ceramic Tanneries Any of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.01 0.1 4 1 0.01 0.1 4 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Dermatological photo-therapy equipments Refrigerators Xerox machines High voltage electrical equipments Dermatological photo-therapy equipments Refrigerators Xerox machines High voltage electrical equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Only (i) Both (i) and (iii) Only (iii) Both (i) and (ii) Only (i) Both (i) and (iii) Only (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Anaerobic Saphrophytic Parasitic Aerobic Anaerobic Saphrophytic Parasitic Aerobic ANSWER DOWNLOAD EXAMIANS APP
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