Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Gritty & inorganic Oil & fatty Dissolved solid Suspended solid Gritty & inorganic Oil & fatty Dissolved solid Suspended solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Ozone Photochemical smog Sulphur dioxide All of these Ozone Photochemical smog Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 7 82 1 19 7 82 1 19 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 6.5 1 0.05 15 6.5 1 0.05 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Protein Carbohydrates Salts of metals Fats Protein Carbohydrates Salts of metals Fats ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 120 90 180 150 120 90 180 150 ANSWER DOWNLOAD EXAMIANS APP
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