Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 1 82 7 19 1 82 7 19 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Pyrolysis Underground burial in concrete containers High temperature incineration Pathological incineration Pyrolysis Underground burial in concrete containers High temperature incineration Pathological incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Petroleum refineries Metallurgical roasting & smelting plant Coal based thermal power plants Pulp and paper plant Petroleum refineries Metallurgical roasting & smelting plant Coal based thermal power plants Pulp and paper plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides Carbon monoxide Smog & ozone Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides Carbon monoxide Smog & ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Bi-carbonates Chlorides Carbonates Sulphides Bi-carbonates Chlorides Carbonates Sulphides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 5-10 1-2 90-120 1500-2500 5-10 1-2 90-120 1500-2500 ANSWER DOWNLOAD EXAMIANS APP
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