UPSC Previous Year Question | Prelims GS | 2021

With reference to furnace oil, consider the following statements: 1. It is a product of oil refineries. 2. Some industries use it to generate power. 3. Its use causes sulphur emissions into environment. Which of the statements given above are correct?

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer

Correct Answer

1, 2 and 3

Explanation

Furnace oil is a heavy residual fuel obtained from refining crude oil. Industries burn it in boilers and captive power plants, and because of its high sulphur content its combustion releases sulphur oxides. All three statements are correct.

Topics: air pollution, environment, furnace oil: production, pollution, use and emissions