Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Forestation Green house effect Vegetation Rain Forestation Green house effect Vegetation Rain ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 135 105 185 160 135 105 185 160 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Negatively charged Positively charged Combination of all A, B & C Neutral Negatively charged Positively charged Combination of all A, B & C Neutral 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 All of these Fading of dyes on textiles Corrosion, tarnishing & soiling of metals Reduced strength of textiles All of these Fading of dyes on textiles Corrosion, tarnishing & soiling of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Mufflers (silencers) Accoustical absorbent None of these Lagging of noisy duct Mufflers (silencers) Accoustical absorbent None of these Lagging of noisy duct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO N₂ CH₄ CO₂ CO N₂ CH₄ CO₂ ANSWER DOWNLOAD EXAMIANS APP
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