Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 5 1 50 500 5 1 50 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Reduction in plant's productivity owing to acid rain Respiratory & lung disease Corrosion of building materials All of these Reduction in plant's productivity owing to acid rain Respiratory & lung disease Corrosion of building materials All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Green house effect Catalytic conversion Both B and C Global warming Green house effect Catalytic conversion Both B and C Global warming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Lime Copper sulphate Sodium sulphate Hydrochloric acid Lime Copper sulphate Sodium sulphate Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 332 1050 42 2 332 1050 42 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Industrial effluents Potable water Distilled water Cooling water Industrial effluents Potable water Distilled water Cooling water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS