Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sedimentation tanks Oxidation ponds Sludge digester Clarifier Sedimentation tanks Oxidation ponds Sludge digester Clarifier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 200 170 140 120 200 170 140 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Wet scrubber Bag filter Electrostatic precipitators Dust catcher Wet scrubber Bag filter Electrostatic precipitators Dust catcher ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Urea Combustion Biomass burning Trees Urea Combustion Biomass burning Trees ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Phenol Silica Dissolved oxygen Turbidity Phenol Silica Dissolved oxygen Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 25 1000 0.1 100 25 1000 0.1 100 ANSWER DOWNLOAD EXAMIANS APP
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