Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Volcanic eruption Forest fire Deforestation None of these Volcanic eruption Forest fire Deforestation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 10⁻⁷ 7 x 10⁷ 10⁷ 7 x 10⁻⁷ 10⁻⁷ 7 x 10⁷ 10⁷ 7 x 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes None of these Temporary hardness Reduction in its dissolved oxygen content Discoloration of bathroom fixtures None of these Temporary hardness Reduction in its dissolved oxygen content Discoloration of bathroom fixtures ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Phosphorous Fluorine Sulphur Calcium Phosphorous Fluorine Sulphur Calcium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 82 19 7 1 82 19 7 1 ANSWER DOWNLOAD EXAMIANS APP