Environmental Engineering in CE Lagooning process is mainly a means of the None of these Biological treatment of wastes Sludge disposal Reduction of excessive flow in sewers None of these Biological treatment of wastes Sludge disposal Reduction of excessive flow in sewers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Tree plantation Green house gases Use of silencers Vibration damping Tree plantation Green house gases Use of silencers Vibration damping ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes Temporary hardness Reduction in its dissolved oxygen content None of these Discoloration of bathroom fixtures Temporary hardness Reduction in its dissolved oxygen content None of these Discoloration of bathroom fixtures 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 Reduced strength of textiles All of these Fading of dyes on textiles Corrosion, tarnishing & soiling of metals Reduced strength of textiles All of these Fading of dyes on textiles Corrosion, tarnishing & soiling of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Use micro-organisms/bacteria in presence of dissolved oxygen All of these Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Use micro-organisms/bacteria in presence of dissolved oxygen All of these Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials ANSWER DOWNLOAD EXAMIANS APP
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