Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 125 85 105 145 125 85 105 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is Both B & C Impervious to ultra-violet rays A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays A primary pollutant A secondary pollutant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (ii) (i)and(iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Beverages Tanneries Any of these Glass & ceramic Beverages Tanneries Any of these Glass & ceramic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Limestone powder or alkalised alumina Silica gel Bog iron Active carbon Limestone powder or alkalised alumina Silica gel Bog iron Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Fluoride Mercury Lead Arsenic Fluoride Mercury Lead Arsenic ANSWER DOWNLOAD EXAMIANS APP