Environmental Engineering in CE TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes Cancer Bronchitis Skin disorder Bone disease Cancer Bronchitis Skin disorder Bone disease ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water All of these Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Use micro-organisms/bacteria in presence of dissolved oxygen All of these Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Use micro-organisms/bacteria in presence of dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Flourosis (bone disease) Cancer Silicosis Asthma Flourosis (bone disease) Cancer Silicosis Asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Toluene Acetaldehyde Carbon dioxide Carbon disulphide Toluene Acetaldehyde Carbon dioxide Carbon disulphide 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 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 Fading of dyes on textiles All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Cancer Corrosion Asphyxiation Bronchitis Cancer Corrosion Asphyxiation Bronchitis ANSWER DOWNLOAD EXAMIANS APP
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