Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Gastroentetitis Asphyxiation Tooth decay Mathenoglobenemia Gastroentetitis Asphyxiation Tooth decay Mathenoglobenemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Silicosis Flourosis (bone disease) Asthma Cancer Silicosis Flourosis (bone disease) Asthma Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of chemical coagulant added for treatment of polluted water __________ with increase in temperature of the polluted water to be treated. Increases Decreases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water Increases Decreases Remains constant May increase or decrease ; depends on the chemical characteristics of polluted water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Alum Copper sulphate Bleaching powder Activated carbon Alum Copper sulphate Bleaching powder Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Both B and C Sedimentation Filtration Digestion Both B and C Sedimentation Filtration Digestion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Increased drying & hardening time of paints Acceleration of corrosion rates of metals Reduction in strength of leather & cloth All of these Increased drying & hardening time of paints Acceleration of corrosion rates of metals Reduction in strength of leather & cloth All of these ANSWER DOWNLOAD EXAMIANS APP
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