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 Reduced strength of textiles Corrosion, tarnishing & soiling of metals All of these Fading of dyes on textiles Reduced strength of textiles Corrosion, tarnishing & soiling of metals All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sludge digester Clarifier Oxidation ponds Sedimentation tanks Sludge digester Clarifier Oxidation ponds Sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Global warming Catalytic conversion Green house effect Both B and C Global warming Catalytic conversion Green house effect Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.001 0.1 1 5 0.001 0.1 1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In vacuum filter In clarifiers In sedimentation tanks equipped with mechanical scrapper By chemical coagulation In vacuum filter In clarifiers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 145 85 105 125 145 85 105 125 ANSWER DOWNLOAD EXAMIANS APP
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