Environmental Engineering in CE Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank Only (i) Only (iii) (i) and (ii) (i) and (iii) Only (i) Only (iii) (i) and (ii) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In vacuum filter By chemical coagulation In clarifiers In sedimentation tanks equipped with mechanical scrapper In vacuum filter By chemical coagulation In clarifiers In sedimentation tanks equipped with mechanical scrapper ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The common pollutant generated in chlor-alkali industry and battery manufacture is None of these Mercury Phosphate Brine None of these Mercury Phosphate Brine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is NO CO₂ Hydrocarbons CO NO CO₂ Hydrocarbons CO 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 Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons Trickling filters Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Inlet gas velocity All of these Diameter Overall height Inlet gas velocity All of these Diameter Overall height ANSWER DOWNLOAD EXAMIANS APP
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