Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Its dissolved oxygen content Its silica content Caustic embrittlement Foaming from boilers Its dissolved oxygen content Its silica content Caustic embrittlement Foaming from boilers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Explosion Undesirable plant growth Non biodegradable foam Corrosion Explosion Undesirable plant growth Non biodegradable foam Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Lime Ferric chloride Alum (aluminium sulphate) Sodium aluminate Lime Ferric chloride Alum (aluminium sulphate) Sodium aluminate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 200 100 20 400 200 100 20 400 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 105 185 135 160 105 185 135 160 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Phosphorous Sulphur Calcium Fluorine Phosphorous Sulphur Calcium Fluorine ANSWER DOWNLOAD EXAMIANS APP
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