Environmental Engineering in CE Algae growth in water is controlled by Bleaching Chlorination Aeration Deoxidation Bleaching Chlorination Aeration Deoxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Both (i) and (ii) Only (iii) Both (i) and (iii) Only (i) Both (i) and (ii) Only (iii) Both (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Protection of operating personnel Suppression of noise at the source itself Path control of noise All of these Protection of operating personnel Suppression of noise at the source itself Path control of noise All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Bone decay Anemia Cancer Asphyxiation (suffocation) Bone decay Anemia Cancer Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. CO₂ NOx Any of these SO₂ CO₂ NOx Any of these SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 2 42 1050 332 2 42 1050 332 ANSWER DOWNLOAD EXAMIANS APP