PPSCFPSCNTSPakistan govt jobs
- Subject
- Chemical Environmental Engineeringchemical-engineering › chemical-environmental-engineering-chemical-engineering
- Published
- 11 Mar 2019
- Last updated
- 28 May 2026
Explanation
The chloro-alkali industry is a major source of mercury pollution due to its use of mercury cells in production. Other industries listed, such as tanneries, beverage plants, and phosphoric acid plants, do not typically discharge mercury as a pollutant.
More Chemical Environmental Engineering MCQs
Practice related questions from the same subject.
- 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?
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