Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 1 5 0.001 0.1 1 5 0.001 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Hydrogen sulphide Mercury Cadmium Asbestos Hydrogen sulphide Mercury Cadmium Asbestos ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? CO SO₂ CFC (chloro fluoro carbons) NOx CO SO₂ CFC (chloro fluoro carbons) NOx ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Bromine Iron Iodine Zinc Bromine Iron Iodine Zinc ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Municipal sewage treatment Food industry Petroleum refinery Iron & steel plant Municipal sewage treatment Food industry Petroleum refinery Iron & steel plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank (i) and (iii) Only (iii) Only (i) (i) and (ii) (i) and (iii) Only (iii) Only (i) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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