Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 140 170 200 120 140 170 200 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Active carbon Silica gel Limestone powder Bog iron Active carbon Silica gel Limestone powder Bog iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Cruising Idle running Deaccelaration Acceleration Cruising Idle running Deaccelaration Acceleration 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. 90 120 20 60 90 120 20 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Nitrogen oxides (NOx) is not produced in the __________ industry. Nitrogenous fertiliser Detergent Any of these Nitric acid making Nitrogenous fertiliser Detergent Any of these Nitric acid making ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a natural source of air pollution? None of these Volcanic eruptions and lightening discharges Photochemical oxidation of organic matter Biological decay of vegetable matter None of these Volcanic eruptions and lightening discharges Photochemical oxidation of organic matter Biological decay of vegetable matter ANSWER DOWNLOAD EXAMIANS APP
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