Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 1 25 0.1 5 1 25 0.1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Grit chamber Detritus tank Trickling filter Skimming tank Grit chamber Detritus tank Trickling filter Skimming tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Carbon monoxide Methyl iso-cynate (MIC) Sulphur dioxide Phosgene Carbon monoxide Methyl iso-cynate (MIC) Sulphur dioxide Phosgene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 2000-3000 5-10 150-300 1-2 2000-3000 5-10 150-300 1-2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. 70 30 100 3 70 30 100 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Fading of dye on textiles Cracking of rubber products Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Fading of dye on textiles Cracking of rubber products Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line ANSWER DOWNLOAD EXAMIANS APP
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