Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Odour nuisances Turbidity Foaming Undesirable plant growth Odour nuisances Turbidity Foaming Undesirable plant growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Colorimeter Electro-chemical cell Tintometer Turbidimeter Colorimeter Electro-chemical cell Tintometer Turbidimeter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Removal of permanent hardness Weed control in reservoirs Disinfection Taste & odour control Removal of permanent hardness Weed control in reservoirs Disinfection Taste & odour control ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 100 to 200 1500 to 2500 4000 to 5000 10 to 20 100 to 200 1500 to 2500 4000 to 5000 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Ferric chloride Sodium aluminate Alum (aluminium sulphate) Lime Ferric chloride Sodium aluminate Alum (aluminium sulphate) Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Bi-carbonates Sulphides Carbonates Chlorides Bi-carbonates Sulphides Carbonates Chlorides ANSWER DOWNLOAD EXAMIANS APP
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