Environmental Engineering in CE Which of the following is a secondary air pollutant? Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by 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 Photosynthetic action of algae 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. 20 5 10 1 20 5 10 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Corrosion of building materials 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 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Filling in steel crates and shooting it off out of earth Dilution with inert material Discharging to atmosphere through tall stacks after dilution Disposing off in rivers & oceans Filling in steel crates and shooting it off out of earth Dilution with inert material Discharging to atmosphere through tall stacks after dilution Disposing off in rivers & oceans ANSWER DOWNLOAD EXAMIANS APP
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