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Chemical Environmental Engineering MCQs

Free 143+ Chemical Environmental Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Practise below with answers and explanations.

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143 questions in this list. Select an option to practice, or open a question for the full page with explanation.

Chemical Environmental Engineering — MCQs for Pakistan government job tests

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Chemical Environmental Engineering

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1.Which type of plant releases a significant quantity of sulfur dioxide (SO2) into the atmosphere?

2.What is the primary source of carbon monoxide pollution in the atmosphere, given that its safe threshold limit value (TLV) is below 50 ppm?

3.Which material is commonly utilized as an adsorbent to eliminate SO2 from air or gas streams?

4.What is the recommended method for disposing of solid radioactive nuclear waste?

5.At what minimum concentration percentage does nitrogen in polluted air function as a natural asphyxiant by lowering the oxygen partial pressure in the lungs, leading to suffocation and potential death due to oxygen deprivation?

6.The presence of manganese in water encourages the proliferation of which of the following?

7.What is the approximate pH level of treated (oxidized) sewage?

8.In which of the following industries is arsenic pollution not produced?

9.During which metalworking process is particulate matter pollution in the air least likely to occur?

10.What is the primary pollutant found in the emissions from vehicles?

11.How can scale buildup in a boiler be effectively prevented?

12.What is the approximate noise intensity, measured in decibels, detected 100 meters away from a jet engine operating with an afterburner?

13.What is the primary consequence of having bacteria in drinking water?

14.What is the threshold limit value (TLV) in parts per million (ppm) for ozone (O3) and phosgene (COCl2) in the air?

15.Which method is effective for eliminating radioactive contaminants from polluted water?

16.Which material is commonly used to adsorb hydrogen sulfide (H2S) from a gas mixture?

17.What is the highest allowable turbidity level in drinking water measured in ppm?

18.What health condition results from breathing in lead compounds found in car exhaust when leaded gasoline is used?

19.What effect does an increased level of CO2 in the atmosphere have?

20.Identify the typical pollutant released by metallurgical smelters, thermal power stations, and cement manufacturing facilities.

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