Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 1097 357 0.5 17 1097 357 0.5 17 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 Trickling filters Aerated lagoons Biological oxygen pond Gravity separator having oil skimming devices Trickling filters Aerated lagoons Biological oxygen pond Gravity separator having oil skimming devices ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Skimming off Chlorination Biological oxidation Settling out using chemical reagents Skimming off Chlorination Biological oxidation Settling out using chemical reagents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Blanketing effect of CO₂ in the atmosphere De-forestation Thickening of ozone layer Automobile exhaust Blanketing effect of CO₂ in the atmosphere De-forestation Thickening of ozone layer Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes All of these Fatigue Reduction in working efficiency of manpower High breathing rate All of these Fatigue Reduction in working efficiency of manpower High breathing rate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The common pollutant generated in chlor-alkali industry and battery manufacture is Phosphate Brine None of these Mercury Phosphate Brine None of these Mercury ANSWER DOWNLOAD EXAMIANS APP
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