Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 1000 50 2000 5000 1000 50 2000 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Sedimentation Chlorination Skimming off Biological oxidation Sedimentation Chlorination Skimming off Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Bad odour Turbidity Disease Bad taste & colour Bad odour Turbidity Disease Bad taste & colour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 1.8 6.2 7.3 13.4 1.8 6.2 7.3 13.4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The per capital consumption of a locality is affected by(i) Climatic conditions(ii) Quality of water(iii) Distribution pressure All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) All (i), (ii) and (iii) Both (i) and (ii) Both (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Lagoon Skimming mill Cesspool Septic tank Lagoon Skimming mill Cesspool Septic tank ANSWER DOWNLOAD EXAMIANS APP
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