Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 180 150 90 120 180 150 90 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of Ultraviolet light for irradiation of water All of these Ozone and iodine Chlorine or its compounds Ultraviolet light for irradiation of water All of these Ozone and iodine Chlorine or its compounds 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. Hydrocarbon fuel Low amount of excess combustion air Large quantity of excess combustion air Pulverised coal as fuel Hydrocarbon fuel Low amount of excess combustion air Large quantity of excess combustion air Pulverised coal as fuel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by High temperature incineration Pyrolysis Pathological incineration Underground burial in concrete containers High temperature incineration Pyrolysis Pathological incineration Underground burial in concrete containers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Undesirable plant growth Non biodegradable foam Explosion Corrosion Undesirable plant growth Non biodegradable foam Explosion Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. Both B & C H₂S HF SO₂ Both B & C H₂S HF SO₂ ANSWER DOWNLOAD EXAMIANS APP
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