Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Composting Incineration None of these Biological oxidation Composting Incineration None of these Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 60 120 90 105 60 120 90 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Nitrogen oxides (NOx) is not produced in the __________ industry. Detergent Any of these Nitrogenous fertiliser Nitric acid making Detergent Any of these Nitrogenous fertiliser Nitric acid making ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Aggregates Grit Powder Smoke Aggregates Grit Powder Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Arsenic Mercury Lead Fluoride Arsenic Mercury Lead Fluoride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Active carbon Limestone powder or alkalised alumina Bog iron Silica gel Active carbon Limestone powder or alkalised alumina Bog iron Silica gel ANSWER DOWNLOAD EXAMIANS APP
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