Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 3000 (i.e. 0.3%) 500 1000 50 3000 (i.e. 0.3%) 500 1000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 100 ppm 50 ppm 300 ppm 700 ppm 100 ppm 50 ppm 300 ppm 700 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise level in a chemical plant can be controlled by the All of these Protection of operating personnel Suppression of noise at the source itself Path control of noise All of these Protection of operating personnel Suppression of noise at the source itself Path control of noise 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) 800 750 90 10 800 750 90 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Chlorination Chemical coagulation None of these Treating in biological oxygen pond Chlorination Chemical coagulation None of these Treating in biological oxygen pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of Ultraviolet light for irradiation of water All of these Chlorine or its compounds Ozone and iodine Ultraviolet light for irradiation of water All of these Chlorine or its compounds Ozone and iodine ANSWER DOWNLOAD EXAMIANS APP
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