Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 2000 5000 50 5 2000 5000 50 5 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) 10 750 90 800 10 750 90 800 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Detritus tank Trickling filter Skimming tank Grit chamber Detritus tank Trickling filter Skimming tank Grit chamber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Exhaust of sulphuric acid plant Flue gas of coal based power plant Exhaust of nitric acid plant Automobile exhaust Exhaust of sulphuric acid plant Flue gas of coal based power plant Exhaust of nitric acid plant Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Gaseous fuel in the furnace Low excess air Liquid fuel in the furnace Very high excess air Gaseous fuel in the furnace Low excess air Liquid fuel in the furnace Very high excess air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called Mists Smoke Aerosols Fumes Mists Smoke Aerosols Fumes ANSWER DOWNLOAD EXAMIANS APP