Environmental Engineering in CE Inhalation of silica dust causes a disease called Pneumoconiosis Bronchitis Silicosis None of these Pneumoconiosis Bronchitis Silicosis None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Deoxidation Bleaching Aeration Chlorination Deoxidation Bleaching Aeration Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Sedimentation Chlorination Biological oxidation Skimming off Sedimentation Chlorination Biological oxidation Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1000 1 100 20 1000 1 100 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Suspended solids Alkalis Chlorine Phenol and cynide Suspended solids Alkalis Chlorine Phenol and cynide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Hydrogen Carbon dioxide Ozone None of these Hydrogen Carbon dioxide Ozone None of these ANSWER DOWNLOAD EXAMIANS APP
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