Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 1500 to 2500 100 to 200 10 to 20 4000 to 5000 1500 to 2500 100 to 200 10 to 20 4000 to 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Ion exchange process Oxidation followed by settling & filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling & filtration Chlorination Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to All of these Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion Poor quality of fuel and improper mixing of fuel & combustion air All of these Poor design & overloading of furnace Insufficient supply of combustion air and insufficient time for combustion Poor quality of fuel and improper mixing of fuel & combustion air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Oxidation ponds Sedimentation tanks Clarifier Sludge digester Oxidation ponds Sedimentation tanks Clarifier Sludge digester ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 3 to 6 10 to 15 15 to 20 0.1 to 1 3 to 6 10 to 15 15 to 20 0.1 to 1 ANSWER DOWNLOAD EXAMIANS APP
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