Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes All of these Nervous depression Gastritis & diarrhea Paralysis of muscles & loss of appetite All of these Nervous depression Gastritis & diarrhea Paralysis of muscles & loss of appetite ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Neutral Acidic Alkaline Highly acidic Neutral Acidic Alkaline Highly acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 500 10000 5 1000 500 10000 5 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Sodium aluminate Ferric chloride Lime Alum (aluminium sulphate) Sodium aluminate Ferric chloride Lime Alum (aluminium sulphate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 100 80 125 145 100 80 125 145 ANSWER DOWNLOAD EXAMIANS APP