Environmental Engineering in CE High noise level in a chemical plant can be controlled by the All of these Suppression of noise at the source itself Path control of noise Protection of operating personnel All of these Suppression of noise at the source itself Path control of noise Protection of operating personnel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Aerobic decomposition Anaerobic decomposition Separation None of these Aerobic decomposition Anaerobic decomposition Separation None of these 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) 2B 4B B 8B 2B 4B B 8B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Xerox machines High voltage electrical equipments Refrigerators Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments Refrigerators Dermatological photo-therapy equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Forest fire Deforestation Volcanic eruption None of these Forest fire Deforestation Volcanic eruption None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Thermosphere Troposphere Stratosphere None of these Thermosphere Troposphere Stratosphere None of these ANSWER DOWNLOAD EXAMIANS APP