Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage All of these Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 80 40 10 20 80 40 10 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Petrol vapor Acetylene Hydrogen Carbon monoxide Petrol vapor Acetylene Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 4 1 0.1 0.01 4 1 0.1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Smoke Aggregates Grit Powder Smoke Aggregates Grit Powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Use of silencers Green house gases Vibration damping Tree plantation Use of silencers Green house gases Vibration damping Tree plantation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS