Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Fading of dyes on textiles All of these Reduced strength of textiles Corrosion, tarnishing & soiling of metals Fading of dyes on textiles All of these Reduced strength of textiles Corrosion, tarnishing & soiling of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries Coal based thermal power plants ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is the minimum (about 0.02 ppm). Bromine Ozone Phosgene MIC (methyl iso-cynate) Bromine Ozone Phosgene MIC (methyl iso-cynate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes 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 Corrosion of building materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Troposphere None of these Ionosphere Stratosphere Troposphere None of these Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Lagoons Filtration Biological oxygen pond Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Lagoons Filtration Biological oxygen pond ANSWER DOWNLOAD EXAMIANS APP
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