Environmental Engineering in CE The pH value of oxidised sewage is about 1.8 13.4 6.2 7.3 1.8 13.4 6.2 7.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Disinfection Coagulation Filtration Sedimentation Disinfection Coagulation Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁻⁷ 10⁷ 7 x 10⁷ 7 x 10⁻⁷ 10⁻⁷ 10⁷ 7 x 10⁷ 7 x 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal By chemical coagulation In clarifiers In sedimentation tanks equipped with mechanical scrapper In vacuum filter By chemical coagulation In clarifiers In sedimentation tanks equipped with mechanical scrapper In vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Negatively charged Combination of all A, B & C Positively charged Neutral Negatively charged Combination of all A, B & C Positively charged Neutral ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Centrifugal force on Diffusion of Electrostatic force on Gravitational force on Centrifugal force on Diffusion of Electrostatic force on Gravitational force on ANSWER DOWNLOAD EXAMIANS APP
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