Environmental Engineering in CE Which of the following is the most lethal water pollutant? Chlorine Phenol and cynide Alkalis Suspended solids Chlorine Phenol and cynide Alkalis Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 82 19 7 1 82 19 7 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea All of these Biological methods & adsorption in ion exchange materials Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea All of these Biological methods & adsorption in ion exchange materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Alkalis Alkyl benzene sulphonate (ABS) Chlorine Benzene hexachloride Alkalis Alkyl benzene sulphonate (ABS) Chlorine Benzene hexachloride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is A secondary pollutant A primary pollutant Impervious to ultra-violet rays Both B & C A secondary pollutant A primary pollutant Impervious to ultra-violet rays Both B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 332 1050 42 2 332 1050 42 2 ANSWER DOWNLOAD EXAMIANS APP
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