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. 120 20 90 60 120 20 90 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Any of these Tanneries Glass & ceramic Beverages Any of these Tanneries Glass & ceramic Beverages ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Smoke Aggregates Aerosols Grit Smoke Aggregates Aerosols Grit ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a secondary air pollutant? Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Benzopyrene Peroxyacyl nitrate Carbon monoxide Sulphur dioxide Benzopyrene Peroxyacyl nitrate Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 1 25 650 150 1 25 650 150 ANSWER DOWNLOAD EXAMIANS APP
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