Environmental Engineering in CE High noise level in a chemical plant can be controlled by the Protection of operating personnel Path control of noise All of these Suppression of noise at the source itself Protection of operating personnel Path control of noise All of these Suppression of noise at the source itself ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Sulphur dioxide Photochemical smog Nitrogen dioxide Dust particles Sulphur dioxide Photochemical smog Nitrogen dioxide Dust particles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling & filtration Chlorination Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling & filtration Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to Poor quality of fuel and improper mixing of fuel & combustion air All of these Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace Poor quality of fuel and improper mixing of fuel & combustion air All of these Insufficient supply of combustion air and insufficient time for combustion Poor design & overloading of furnace ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by None of these Adsorption in ion exchange materials Biological oxygen treatment Coagulation and filtration None of these Adsorption in ion exchange materials Biological oxygen treatment Coagulation and filtration 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 clarifiers By chemical coagulation In vacuum filter In sedimentation tanks equipped with mechanical scrapper In clarifiers By chemical coagulation In vacuum filter In sedimentation tanks equipped with mechanical scrapper ANSWER DOWNLOAD EXAMIANS APP
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