Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of liquid effluents Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of boiler feed water Characterisation of liquid effluents Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of boiler feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Refrigerators Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments Refrigerators Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 100 5 1000 2000 100 5 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Color Foul odour Bad taste Bacteria Color Foul odour Bad taste Bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? NO₂ CO SO₂ & SO₃ NH₃ NO₂ CO SO₂ & SO₃ NH₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Keeping the pH value of feed water just below 7 Eliminating H₂S in feed water Preheating of feed water Reduction in hardness, silica & alumina in feed water Keeping the pH value of feed water just below 7 Eliminating H₂S in feed water Preheating of feed water Reduction in hardness, silica & alumina in feed water ANSWER DOWNLOAD EXAMIANS APP
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