Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Dissolved oxygen Phenol Turbidity Silica Dissolved oxygen Phenol Turbidity Silica ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is H₂ CO₂ CO CH₄ H₂ CO₂ CO CH₄ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Bad taste & colour Turbidity Bad odour Disease Bad taste & colour Turbidity Bad odour Disease ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Aerated lagoons Gravity separator having oil skimming devices Biological oxygen pond Trickling filters Aerated lagoons Gravity separator having oil skimming devices Biological oxygen pond Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Sodium sulphate Lime Copper sulphate Hydrochloric acid Sodium sulphate Lime Copper sulphate Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Floatation & skimming Chemical coagulation Ultrafiltration Centrifugation Floatation & skimming Chemical coagulation Ultrafiltration Centrifugation ANSWER DOWNLOAD EXAMIANS APP
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