Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 120 25 50 80 120 25 50 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Gaseous fuel in the furnace Liquid fuel in the furnace Low excess air Very high excess air Gaseous fuel in the furnace Liquid fuel in the furnace Low excess air Very high excess air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Carbonates Bi-carbonates Sulphides Chlorides Carbonates Bi-carbonates Sulphides Chlorides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? Radioactive substances Inorganic pollutants Natural organic products None of these Radioactive substances Inorganic pollutants Natural organic products None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Negatively charged Combination of all A, B & C Neutral Positively charged Negatively charged Combination of all A, B & C Neutral Positively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials All of these Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation Biological methods & adsorption in ion exchange materials All of these ANSWER DOWNLOAD EXAMIANS APP
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