Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Aeration Sterilisation None of these Disinfection Aeration Sterilisation None of these Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hydrogen ion concentration in distilled water is 7 x 10⁷ 10⁷ 10⁻⁷ 7 x 10⁻⁷ 7 x 10⁷ 10⁷ 10⁻⁷ 7 x 10⁻⁷ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 100 to 200 10 to 20 1500 to 2500 4000 to 5000 100 to 200 10 to 20 1500 to 2500 4000 to 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house effect is accentuated by Rapid industrialisation All of these Increased transportation activity Deforestation Rapid industrialisation All of these Increased transportation activity Deforestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Destroys/removes pathogen much more effectively if the sewage is chlorinated All of these Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated All of these Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen from the sewage ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 95 75 35 105 95 75 35 105 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS