Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Silicosis Reduced crop yield Cancer Respiratory disease (e.g., asthma) Silicosis Reduced crop yield Cancer Respiratory disease (e.g., asthma) 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) 90 800 750 10 90 800 750 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of excess flourine in water causes Dental cavity Tooth decay Fluorosis Respiratory disease Dental cavity Tooth decay Fluorosis Respiratory disease ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Both A & B Using the activities of bacteria and other micro organisms Neither A nor B Aerobic oxidation Both A & B Using the activities of bacteria and other micro organisms Neither A nor B Aerobic oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 85 145 125 105 85 145 125 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Saphrophytic Anaerobic Aerobic Parasitic Saphrophytic Anaerobic Aerobic Parasitic ANSWER DOWNLOAD EXAMIANS APP
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