Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 25 50 70 85 25 50 70 85 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Sedimentation Both B and C Filtration Digestion Sedimentation Both B and C Filtration Digestion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Foaming Odour nuisances Undesirable plant growth Turbidity Foaming Odour nuisances Undesirable plant growth Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is A secondary pollutant Both B & C Impervious to ultra-violet rays A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays A primary pollutant 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 Skin disorder Cancer Bone disease Bronchitis Skin disorder Cancer Bone disease ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 1000 500 10000 5 1000 500 10000 5 ANSWER DOWNLOAD EXAMIANS APP