Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 500 100 5 250 500 100 5 250 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 25 0.1 1000 100 25 0.1 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Suspended solids Dissolved solids None of these Dissolved gases Suspended solids Dissolved solids None of these Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Neither A nor B Both A & B Of increased diameter With greater number of blades Neither A nor B Both A & B Of increased diameter With greater number of blades 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 Biological oxidation Skimming off Settling out using chemical reagents Chlorination Biological oxidation Skimming off Settling out using chemical reagents Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Cooling water Potable water Distilled water Industrial effluents Cooling water Potable water Distilled water Industrial effluents ANSWER DOWNLOAD EXAMIANS APP
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