Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 750 20 230 1500 750 20 230 1500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Packed scrubber Hydrocyclone Electrostatic precipitator Gravity settling chamber Packed scrubber Hydrocyclone Electrostatic precipitator Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Its dissolved oxygen content Foaming from boilers Caustic embrittlement Its silica content Its dissolved oxygen content Foaming from boilers Caustic embrittlement Its silica content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Copper sulphate Sodium sulphate Hydrochloric acid Lime Copper sulphate Sodium sulphate Hydrochloric acid Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Chlorination None of these Treating in biological oxygen pond Chemical coagulation Chlorination None of these Treating in biological oxygen pond Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by Filtration and recycling for cooling coke oven gas None of these Quenching of hot coke Discharging in the river stream Filtration and recycling for cooling coke oven gas None of these Quenching of hot coke Discharging in the river stream ANSWER DOWNLOAD EXAMIANS APP
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