Environmental Engineering in CE Which of the following is not a secondary air pollutant? Ozone All of these Photochemical smog Sulphur dioxide Ozone All of these Photochemical smog Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Turbidity Dissolved gases Hardness Color Turbidity Dissolved gases Hardness Color ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Pneumoconiosis' is a disease caused by the inhalation of __________ dust. Lime Iron ore Coal Uranium ore Lime Iron ore Coal Uranium ore ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 1 1000 10 250 1 1000 10 250 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Refrigerators Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments Refrigerators Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 9 to 10 1 to 2 4 to 5 15 to 20 9 to 10 1 to 2 4 to 5 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
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