Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 0.1 100 1000 25 0.1 100 1000 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Dissolved gases Hardness Color Turbidity Dissolved gases Hardness Color Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Both A & B Using the activities of bacteria and other micro organisms Aerobic oxidation Neither A nor B Both A & B Using the activities of bacteria and other micro organisms Aerobic oxidation Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 170 140 200 120 170 140 200 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Suspended solid Dissolved solid Gritty & inorganic Oil & fatty Suspended solid Dissolved solid Gritty & inorganic Oil & fatty ANSWER DOWNLOAD EXAMIANS APP
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 Petroleum refineries Pulp and paper plant Coal based thermal power plants Metallurgical roasting & smelting plant Petroleum refineries Pulp and paper plant ANSWER DOWNLOAD EXAMIANS APP
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