Environmental Engineering in CE Which of the following fine dust removal equipments is the most efficient? Electrostatic precipitator Cyclone separator Bag filter Scrubber Electrostatic precipitator Cyclone separator Bag filter Scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 1 to 2 9 to 10 15 to 20 4 to 5 1 to 2 9 to 10 15 to 20 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Coal based thermal power plants Petroleum refineries Metallurgical roasting & smelting plant Pulp and paper plant Coal based thermal power plants Petroleum refineries Metallurgical roasting & smelting plant Pulp and paper plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. 70 100 3 30 70 100 3 30 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 Centrifugation Ultrafiltration Floatation & skimming Chemical coagulation Centrifugation Ultrafiltration Floatation & skimming ANSWER DOWNLOAD EXAMIANS APP
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