Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 0.1 25 1 5 0.1 25 1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Aerosols Aggregates Grit Smoke Aerosols Aggregates Grit Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Forest fire Volcanic eruption None of these Deforestation Forest fire Volcanic eruption None of these Deforestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Decibel Roentgen Hertz None of these Decibel Roentgen Hertz None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 4 0.1 0.01 1 4 0.1 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes All of these Corrosion, tarnishing & soiling of metals Reduced strength of textiles Fading of dyes on textiles All of these Corrosion, tarnishing & soiling of metals Reduced strength of textiles Fading of dyes on textiles ANSWER DOWNLOAD EXAMIANS APP
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