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?

A 1 and 2 only

B 2 and 3 only

C 1 and 3 only

D 1, 2 and 3

Correct answer: (d) 1, 2 and 3

Explanation

A
1 and 2 only
1 and 2 only. Sulphur in FO is also true.
B
2 and 3 only
2 and 3 only. It is a refinery residue.
C
1 and 3 only
1 and 3 only. Power use in industry is real.
D
1, 2 and 3
All three. Residual fuel oil from refineries; used in boilers/power; high sulphur.

Summary. Official key is (d) all three. Furnace oil is a heavy refinery product, burned for heat and captive power, and it carries sulphur into the stack.

PYQ trend

When UPSC asked this

Related PYQs from other years, newest first. Open a question to read it.

2022 · Q100 · General Studies · 2 marks
Consider the following: 1. Carbon monoxide 2. Nitrogen oxide 3. Ozone 4. Sulphur dioxide Excess of which of the above in the environment is/are cause(s) of acid rain?
View answer →
2021 · Q17 · General Studies · 2 marks
Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into environment. 2. The copper slag can cause the leaching of some heavy metals into environment. 3. They may release sulphur dioxide as a pollutant. Select the correct answer using the code given below
View answer →
2020 · Q79 · General Studies · 2 marks
Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment. 3. High ash content is observed in Indian coal. Which of the statements given above is/are correct?
View answer →

← 2021 Set A paper