Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Mists Fumes Smoke Aerosols Mists Fumes Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Sedimentation tank Mechanical flocculation Chemical coagulation Circular clarifier Sedimentation tank Mechanical flocculation Chemical coagulation Circular clarifier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. Dissolved solids None of these Suspended solids Dissolved gases Dissolved solids None of these Suspended solids Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Carbon monoxide Sulphur dioxide & spray of weed killers Smog & ozone Hydrogen fluoride & nitrogen oxides Carbon monoxide Sulphur dioxide & spray of weed killers Smog & ozone Hydrogen fluoride & nitrogen oxides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Foaming from boilers Caustic embrittlement Its silica content Its dissolved oxygen content Foaming from boilers Caustic embrittlement Its silica content Its dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Corrosion of building materials Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
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