Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Filtration Preheating it Anion exchanger Coagulation Filtration Preheating it Anion exchanger Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 2000 5 1000 500 2000 5 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Limestone mining Asbestos Textile Coal mining Limestone mining Asbestos Textile Coal mining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of Ultraviolet light for irradiation of water Chlorine or its compounds All of these Ozone and iodine Ultraviolet light for irradiation of water Chlorine or its compounds All of these Ozone and iodine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 15 to 20 0.1 to 1 10 to 15 3 to 6 15 to 20 0.1 to 1 10 to 15 3 to 6 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 Chlorination Biological oxidation Skimming off Settling out using chemical reagents Chlorination Biological oxidation Skimming off Settling out using chemical reagents ANSWER DOWNLOAD EXAMIANS APP
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