Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Hearing loss Nervousness & fatigue Rupture of ear drum All of these Hearing loss Nervousness & fatigue Rupture of ear drum All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Xerox machines Refrigerators Dermatological photo-therapy equipments High voltage electrical equipments Xerox machines Refrigerators Dermatological photo-therapy equipments High voltage electrical equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 4.8 0.002 0.2 1.2 4.8 0.002 0.2 1.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is Hydrocarbons CO NO CO₂ Hydrocarbons CO NO CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ethanolamine is an absorbant used for the removal of __________ from air/gas. HF SO₂ Both B & C H₂S HF SO₂ Both B & C H₂S ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Poly acrylonitrile Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Poly acrylonitrile ANSWER DOWNLOAD EXAMIANS APP