Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 90-120 1-2 5-10 1500-2500 90-120 1-2 5-10 1500-2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Chloralkali Sulphuric acid Nitric acid Iron & steel Chloralkali Sulphuric acid Nitric acid Iron & steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Green house gases Tree plantation Use of silencers Vibration damping Green house gases Tree plantation Use of silencers Vibration damping 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 The main industrial source of emission of hydrogen sulphide air pollutant is Metallurgical roasting & smelting plant Pulp and paper plant Coal based thermal power plants Petroleum refineries Metallurgical roasting & smelting plant Pulp and paper plant Coal based thermal power plants Petroleum refineries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Anerobic Parasitic Saprophytic None of these Anerobic Parasitic Saprophytic None of these ANSWER DOWNLOAD EXAMIANS APP
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