Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Paralysis of muscles & loss of appetite Gastritis & diarrhea Nervous depression All of these Paralysis of muscles & loss of appetite Gastritis & diarrhea Nervous depression All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Lime Hydrazine Alum Ferrous sulphate Lime Hydrazine Alum Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Appears only on sunny days Is harmful for crops and trees also besides causing eye irritation & asthma All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Appears only on sunny days Is harmful for crops and trees also besides causing eye irritation & asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Biological methods & adsorption in ion exchange materials All of these Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea Biological methods & adsorption in ion exchange materials All of these Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Cancer Asthma Silicosis Flourosis (bone disease) Cancer Asthma Silicosis Flourosis (bone disease) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Chemical coagulation Ultrafiltration Floatation & skimming Centrifugation Chemical coagulation Ultrafiltration Floatation & skimming Centrifugation ANSWER DOWNLOAD EXAMIANS APP
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