Environmental Engineering in CE Which of the following is a secondary air pollutant? Nitrogen dioxide Dust particles Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles Photochemical smog 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 Neither A nor B Both A & B Natural aeration of water stream Photosynthetic action of algae Neither A nor B Both A & B Natural aeration of water stream 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 20 5 10 1 20 5 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes 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 Corrosion of building materials 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 Discharging to atmosphere through tall stacks after dilution Disposing off in rivers & oceans Dilution with inert material Filling in steel crates and shooting it off out of earth Discharging to atmosphere through tall stacks after dilution Disposing off in rivers & oceans Dilution with inert material ANSWER DOWNLOAD EXAMIANS APP
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