Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of All of these Ultraviolet light for irradiation of water Chlorine or its compounds Ozone and iodine All of these Ultraviolet light for irradiation of water Chlorine or its compounds Ozone and iodine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 40 85 70 20 40 85 70 20 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
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. Both B & C HF SO₂ H₂S Both B & C HF SO₂ H₂S ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the Electrostatic precipitator Bag filter Cyclone separator Gravity settling chamber Electrostatic precipitator Bag filter Cyclone separator Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Refrigerators High voltage electrical equipments Dermatological photo-therapy equipments Xerox machines Refrigerators High voltage electrical equipments Dermatological photo-therapy equipments Xerox machines ANSWER DOWNLOAD EXAMIANS APP
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