Environmental Engineering in CE Which of the following is a secondary air pollutant? Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Photosynthetic action of algae Both A & B Natural aeration of water stream Neither A nor B Photosynthetic action of algae Both A & B Natural aeration of water stream Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 1 5 20 10 1 5 20 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Reduction in plant's productivity owing to acid rain All of these Respiratory & lung disease Corrosion of building materials Reduction in plant's productivity owing to acid rain All of these Respiratory & lung disease Corrosion of building materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Disposing off in rivers & oceans Discharging to atmosphere through tall stacks after dilution Dilution with inert material Filling in steel crates and shooting it off out of earth Disposing off in rivers & oceans Discharging to atmosphere through tall stacks after dilution Dilution with inert material Filling in steel crates and shooting it off out of earth ANSWER DOWNLOAD EXAMIANS APP
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