Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Shortness of breath Asphyxiation (suffocation) Tuberculosis All of these Shortness of breath Asphyxiation (suffocation) Tuberculosis All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Turbidity Odour nuisances Undesirable plant growth Foaming Turbidity Odour nuisances Undesirable plant growth Foaming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 60 90 20 120 60 90 20 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Distilled water Cooling water Industrial effluents Potable water Distilled water Cooling water Industrial effluents Potable water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its All of these Overall height Diameter Inlet gas velocity All of these Overall height Diameter Inlet gas velocity 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 Biological oxidation Chlorination Skimming off Sedimentation Biological oxidation Chlorination Skimming off ANSWER DOWNLOAD EXAMIANS APP
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