Environmental Engineering in CE Salt content in sea water is about __________ percent. 3.5 0.5 10 1 3.5 0.5 10 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 105 60 120 90 105 60 120 90 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 Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Skimming tank Detritus tank Grit chamber Trickling filter Skimming tank Detritus tank Grit chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 2000 50 5000 1000 2000 50 5000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 1 to 1.5 13 to 14 6.5 to 8 4 to 5 1 to 1.5 13 to 14 6.5 to 8 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
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