Environmental Engineering in CE Which of the following is the most lethal water pollutant? Alkalis Suspended solids Chlorine Phenol and cynide Alkalis Suspended solids Chlorine Phenol and cynide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? Radioactive rays SPM Noise pollution Thermal pollution Radioactive rays SPM Noise pollution Thermal pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Permanent hardness Iron and manganese Foul smell and taste Temporary hardness Permanent hardness Iron and manganese Foul smell and taste Temporary hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Thickening of ozone layer De-forestation Blanketing effect of CO₂ in the atmosphere Automobile exhaust Thickening of ozone layer De-forestation Blanketing effect of CO₂ in the atmosphere Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 5 10 0.1 0.001 5 10 0.1 0.001 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 Ozone Carbon dioxide None of these Hydrogen Ozone Carbon dioxide None of these ANSWER DOWNLOAD EXAMIANS APP
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