Environmental Engineering in CE The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent. 4 12 1 8 4 12 1 8 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. 120 140 170 200 120 140 170 200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Fading of dye on textiles Cracking of rubber products Damage of electrical insulator on high tension power line Embrittlement & decrease of folding resistance of paper Fading of dye on textiles Cracking of rubber products Damage of electrical insulator on high tension power line Embrittlement & decrease of folding resistance of paper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Grit Smoke Aggregates Aerosols Grit Smoke Aggregates Aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1000 20 100 1 1000 20 100 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Biological oxygen treatment Coagulation and filtration Adsorption in ion exchange materials None of these Biological oxygen treatment Coagulation and filtration Adsorption in ion exchange materials None of these ANSWER DOWNLOAD EXAMIANS APP
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