Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Stratosphere Troposphere Thermosphere Mesosphere Stratosphere Troposphere Thermosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Thermosphere Stratosphere None of these Troposphere Thermosphere Stratosphere None of these Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Oxygen ion concentration Relative stability Biological oxygen demand (BOD) Bacterial stability factor Oxygen ion concentration Relative stability Biological oxygen demand (BOD) Bacterial stability factor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 145 80 125 100 145 80 125 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Dehydration Reduction Oxidation Fermentation Dehydration Reduction Oxidation Fermentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes Bronchitis Cancer Bone disease Skin disorder Bronchitis Cancer Bone disease Skin disorder ANSWER DOWNLOAD EXAMIANS APP
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