Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 500 1000 10000 5 500 1000 10000 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Odour nuisances Foaming Undesirable plant growth Turbidity Odour nuisances Foaming Undesirable plant growth Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Hearing loss Nervousness & fatigue All of these Rupture of ear drum Hearing loss Nervousness & fatigue All of these Rupture of ear drum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Calcium Sulphate Carbonate Choride Calcium Sulphate Carbonate Choride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. NOx Any of these SO₂ CO₂ NOx Any of these SO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Lime Sodium sulphate Hydrochloric acid Copper sulphate Lime Sodium sulphate Hydrochloric acid Copper sulphate ANSWER DOWNLOAD EXAMIANS APP