Hamad Chemical Environmental Engineering 29/10/2021 A. 1-2 B. 5-10 C. 90-120 D. 1500-2500 Related Mcqs: Fresh sewage is ______________ in nature?A. Acidic B. Neutral C. Alkaline D. Highly acidic... Sulphur dioxide present in the industrial chimney exhaust gases causes____________________?A. Respiratory & lung disease B. Reduction in plant’s productivity owing to acid rain C. Corrosion of building materials D. All A., B. and C.... Main pollutants released from iron & steel industry is__________________?A. CO, CO2 & SO2 B. H2S, NO & SO3 C. CO2, H2S & NO2 D. SO3, NO2 & CO2... Maximum permissible turbidity in potable water is _____________ ppm?A. 1 B. 10 C. 250 D. 1000... Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes___________________?A. Asphyxiation (suffocation) B. Shortness of breath C. Tuberculosis D. All A., B. and C....
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