Environmental Engineering MCQs | Page - 1

Q. 1) ________ cannot control the noise pollution.

Q. 2) ________ content of the phosphate rock is the pollutant of primary interest in a phosphatic fertiliser plant.

Q. 3) ________ is removed from water by lime-soda process.

Q. 4)  _________ is the process of killing organism in water.

Q. 5) ________ plant emits large amount of SO2 as an air pollutant.

Q. 6) _______ substances present in sewage are removed in grit chamber during sewage treatment.

Q. 7) Which of the following is a secondary air pollutant?

Q. 8) 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a „particulate‟?

Q. 9) 'Pneumoconiosis' is a disease caused by the inhalation of _________ dust.

Q. 10) 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the