Environmental Engineering in CE Main pollutants released from iron & steel industry is CO, CO₂ & SO₂ H₂S, NO & SO₃ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ SO₃, NO₂ & CO₂ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters? Au-198 Ra-226 I-131 Sr-90 Au-198 Ra-226 I-131 Sr-90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-1000 10-100 100-200 100-1000 10-100 100-200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Taste & odour control Disinfection Weed control in reservoirs Removal of permanent hardness Taste & odour control Disinfection Weed control in reservoirs Removal of permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Disinfection Aeration None of these Sterilisation Disinfection Aeration None of these Sterilisation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Colloids or aerosols Smoke Dust Powder Colloids or aerosols Smoke Dust Powder ANSWER DOWNLOAD EXAMIANS APP
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