Environmental Engineering in CE __________ is removed from water by lime-soda process. Foul smell and taste Temporary hardness Permanent hardness Iron and manganese Foul smell and taste Temporary hardness Permanent hardness Iron and manganese ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Alum Hydrazine Lime Ferrous sulphate Alum Hydrazine Lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Disinfection Sterilisation Sedimentation Coagulation Disinfection Sterilisation Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the All of these Increased drying & hardening time of paints Reduction in strength of leather & cloth Acceleration of corrosion rates of metals All of these Increased drying & hardening time of paints Reduction in strength of leather & cloth Acceleration of corrosion rates of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 10 to 20 1500 to 2500 4000 to 5000 100 to 200 10 to 20 1500 to 2500 4000 to 5000 100 to 200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Ultrafiltration Centrifugation Floatation & skimming Chemical coagulation Ultrafiltration Centrifugation Floatation & skimming Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
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