Environmental Engineering in CE __________ can not control the noise pollution. Green house gases Tree plantation Use of silencers Vibration damping Green house gases Tree plantation Use of silencers Vibration damping ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Shrinkage of filtering media Mud balls Air binding Expansion of filtering media Shrinkage of filtering media Mud balls Air binding Expansion of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Clarifier Sedimentation tanks Sludge digester Oxidation ponds Clarifier Sedimentation tanks Sludge digester Oxidation ponds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 90-120 1500-2500 5-10 1-2 90-120 1500-2500 5-10 1-2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most widely used coagulant for the treatment of turbid water? Ferric chloride Lime Alum (aluminium sulphate) Sodium aluminate Ferric chloride Lime Alum (aluminium sulphate) Sodium aluminate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Adsorption in ion exchange materials None of these Coagulation and filtration Biological oxygen treatment Adsorption in ion exchange materials None of these Coagulation and filtration Biological oxygen treatment ANSWER DOWNLOAD EXAMIANS APP
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