Environmental Engineering in CE Hydrogen ion concentration in distilled water is 7 x 10⁻⁷ 7 x 10⁷ 10⁷ 10⁻⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁷ 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Lime Ferrous sulphate Alum Hydrazine Lime Ferrous sulphate Alum Hydrazine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Reduced strength of textiles All of these Corrosion, tarnishing & soiling of metals Fading of dyes on textiles Reduced strength of textiles All of these Corrosion, tarnishing & soiling of metals Fading of dyes on textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the wrong statement pertaining to 'green house' for the plants. ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As compared to rapid sand filters, slow sand filters give(i) Slower filtration rate(ii) Higher filtration rate(iii) Lesser efficiency in removal of bacteria(iv) Higher efficiency in removal of bacteriaThe correct answer is (i) and (iv) (i) and (ii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (ii) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? NO₂ CO CO₂ SO₂ NO₂ CO CO₂ SO₂ ANSWER DOWNLOAD EXAMIANS APP