Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Alum (aluminium sulphate) Sodium aluminate Ferric chloride Lime Alum (aluminium sulphate) Sodium aluminate Ferric chloride Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 50 500 1000 3000 (i.e. 0.3%) 50 500 1000 3000 (i.e. 0.3%) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Inlet gas velocity Diameter Overall height All of these Inlet gas velocity Diameter Overall height All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Caustic embrittlement Turbidity Suspended silica Dissolved oxygen Caustic embrittlement Turbidity Suspended silica Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 1 to 2 4 to 5 9 to 10 15 to 20 1 to 2 4 to 5 9 to 10 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in Flood All of these Decrease in food productivity Cyclone Flood All of these Decrease in food productivity Cyclone ANSWER DOWNLOAD EXAMIANS APP
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