Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Dehydration Reduction Fermentation Oxidation Dehydration Reduction Fermentation Oxidation 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. 90 150 180 120 90 150 180 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Fumes Aerosols Mists Smoke Fumes Aerosols Mists Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 1-2 5-10 2000-3000 150-300 1-2 5-10 2000-3000 150-300 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 Bone disease Bronchitis Cancer Skin disorder Bone disease Bronchitis Cancer Skin disorder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Flourosis (bone disease) Asthma Cancer Silicosis Flourosis (bone disease) Asthma Cancer Silicosis ANSWER DOWNLOAD EXAMIANS APP
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