Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 1 7 82 19 1 7 82 19 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is Both B & C A secondary pollutant Impervious to ultra-violet rays A primary pollutant Both B & C A secondary pollutant Impervious to ultra-violet rays A primary pollutant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Mathenoglobenemia Asphyxiation Tooth decay Gastroentetitis Mathenoglobenemia Asphyxiation Tooth decay Gastroentetitis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 20 1 1000 100 20 1 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 750 10 90 800 750 10 90 800 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CO₂ CH₄ CO H₂ CO₂ CH₄ CO H₂ ANSWER DOWNLOAD EXAMIANS APP
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