Environmental Engineering in CE __________ can not control the noise pollution. Use of silencers Green house gases Tree plantation Vibration damping Use of silencers Green house gases Tree plantation Vibration damping ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 3 7 20 1 3 7 20 1 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? Natural organic products None of these Inorganic pollutants Radioactive substances Natural organic products None of these Inorganic pollutants Radioactive substances ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Dissolved Fatty Inorganic Organic Dissolved Fatty Inorganic Organic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. Large quantity of excess combustion air Hydrocarbon fuel Low amount of excess combustion air Pulverised coal as fuel Large quantity of excess combustion air Hydrocarbon fuel Low amount of excess combustion air Pulverised coal as fuel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Hardness Alkalinity Acidity Iron & zinc Hardness Alkalinity Acidity Iron & zinc ANSWER DOWNLOAD EXAMIANS APP
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