Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 25 650 150 1 25 650 150 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Lagoon Skimming mill Septic tank Cesspool Lagoon Skimming mill Septic tank Cesspool ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 10 1 20 5 10 1 20 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. Dissolved oxygen content All of these Biological oxygen demand Vapor pressure Dissolved oxygen content All of these Biological oxygen demand Vapor pressure 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. 10000 1000 500 5 10000 1000 500 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Respiratory & lung disease Corrosion of building materials Reduction in plant's productivity owing to acid rain All of these Respiratory & lung disease Corrosion of building materials Reduction in plant's productivity owing to acid rain All of these ANSWER DOWNLOAD EXAMIANS APP