Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Caustic embrittlement Its silica content Its dissolved oxygen content Foaming from boilers Caustic embrittlement Its silica content Its dissolved oxygen content Foaming from boilers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Sulphur dioxide Ozone All of these Photochemical smog Sulphur dioxide Ozone All of these Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 4 to 5 6.5 to 8 1 to 1.5 13 to 14 4 to 5 6.5 to 8 1 to 1.5 13 to 14 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 Settling out using chemical reagents Biological oxidation Skimming off Chlorination Settling out using chemical reagents Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 50 70 25 85 50 70 25 85 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Powder Grit Smoke Aggregates Powder Grit Smoke Aggregates ANSWER DOWNLOAD EXAMIANS APP
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