Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 140 120 200 170 140 120 200 170 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Dissolved Fatty Inorganic Organic Dissolved Fatty Inorganic Organic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 90 20 120 60 90 20 120 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Carcinogens Metallic powders Pesticides Ozone Carcinogens Metallic powders Pesticides Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Silica gel Bog iron Limestone powder or alkalised alumina Active carbon Silica gel Bog iron Limestone powder or alkalised alumina Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum CO₂ is emitted into the atmosphere by Trees Combustion Urea Biomass burning Trees Combustion Urea Biomass burning ANSWER DOWNLOAD EXAMIANS APP
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