Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 500 1 5 50 500 1 5 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Zinc Bromine Iodine Iron Zinc Bromine Iodine Iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Bog iron Limestone powder or alkalised alumina Silica gel Active carbon Bog iron Limestone powder or alkalised alumina Silica gel Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Anerobic Parasitic None of these Saprophytic Anerobic Parasitic None of these Saprophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Benzene hexachloride Chlorine Alkalis Alkyl benzene sulphonate (ABS) Benzene hexachloride Chlorine Alkalis Alkyl benzene sulphonate (ABS) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Inorganic pollutants Natural organic products None of these Radioactive substances Inorganic pollutants Natural organic products None of these Radioactive substances ANSWER DOWNLOAD EXAMIANS APP
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