Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Liquid fuel in the furnace Very high excess air Gaseous fuel in the furnace Low excess air Liquid fuel in the furnace Very high excess air Gaseous fuel in the furnace Low excess air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Biological oxidation Composting Incineration None of these Biological oxidation Composting Incineration None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Urea Biomass burning Combustion Trees Urea Biomass burning Combustion Trees ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 100 2000 5 1000 100 2000 5 1000 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 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 Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Nervous depression Gastritis & diarrhea All of these Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea All of these Paralysis of muscles & loss of appetite ANSWER DOWNLOAD EXAMIANS APP
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