Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 0.2 0.002 1.2 4.8 0.2 0.002 1.2 4.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The common pollutant generated in chlor-alkali industry and battery manufacture is Brine None of these Phosphate Mercury Brine None of these Phosphate Mercury 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) 10 800 750 90 10 800 750 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Aerosols Aggregates Grit Smoke Aerosols Aggregates Grit Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Aerobic Pathogenic Non-pathogenic Anaerobic Aerobic Pathogenic Non-pathogenic Anaerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Saprophytic None of these Anerobic Parasitic Saprophytic None of these Anerobic Parasitic ANSWER DOWNLOAD EXAMIANS APP
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