Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Non-pathogenic Aerobic Pathogenic Anaerobic Non-pathogenic Aerobic Pathogenic Anaerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 80 145 100 125 80 145 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? H₂ SO₃ N₂ CO₂ H₂ SO₃ N₂ CO₂ 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. Vapor pressure All of these Dissolved oxygen content Biological oxygen demand Vapor pressure All of these Dissolved oxygen content Biological oxygen demand 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. 5 20 10 1 5 20 10 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 1.8 7.3 13.4 6.2 1.8 7.3 13.4 6.2 ANSWER DOWNLOAD EXAMIANS APP