Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 10 5 20 1 10 5 20 1 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 Main pollutants released from petroleum refineries is SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO, SO₂ & H₂S CO₂, NO & SO₃ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO, SO₂ & H₂S CO₂, NO & SO₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Refrigerators Xerox machines High voltage electrical equipments Dermatological photo-therapy equipments Refrigerators Xerox machines High voltage electrical equipments Dermatological photo-therapy equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 4B 8B 2B B 4B 8B 2B B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 1000 10 2000 200 1000 10 2000 200 ANSWER DOWNLOAD EXAMIANS APP
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