Environmental Engineering in CE __________ can not control the noise pollution. Use of silencers Vibration damping Tree plantation Green house gases Use of silencers Vibration damping Tree plantation Green house gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Photochemical smog Nitrogen dioxide Dust particles Sulphur dioxide Photochemical smog Nitrogen dioxide Dust particles Sulphur dioxide 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 None of these Troposphere Stratosphere Thermosphere None of these Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Silica gel Active carbon Bog iron Limestone powder Silica gel Active carbon Bog iron Limestone powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 25 1 5 0.1 25 1 5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 140 120 170 200 140 120 170 200 ANSWER DOWNLOAD EXAMIANS APP