Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 180 120 90 150 180 120 90 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 20 90 60 120 20 90 60 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 1500-2500 1-2 90-120 5-10 1500-2500 1-2 90-120 5-10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Fumes Aerosols Smoke Mists Fumes Aerosols Smoke Mists 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? Stratosphere Thermosphere None of these Troposphere Stratosphere Thermosphere None of these Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Phosgene Methyl iso-cynate (MIC) Sulphur dioxide Carbon monoxide Phosgene Methyl iso-cynate (MIC) Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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