UPSC Prelims 2023 · Question 90 of 97

UPSC Prelims 2023 question on Green Hydrogen Uses

With reference to green hydrogen, consider the following statements:

1. It can be used directly as a fuel for internal combustion.

2. It can be blended with natural gas and used as fuel for heat or power generation.

3. It can be used in the hydrogen fuel cell to run vehicles.

How many of the above statements are correct?

  1. Only one
  2. Only two
  3. All three
  4. None
Show answer

Answer: C. All three

Verdict

All three statements are correct → Option (c) All three.

Analysis

Green hydrogen is any hydrogen that is produced from renewable energy, including electrolysis with electricity coming from green sources such as solar, wind, and hydroelectric power.

Statement by statement

Statement 1 – CORRECT: Hydrogen has a wide flammability range compared with all other fuels. It can be combusted in an internal combustion engine over a wide range of fuel-air mixtures, making it suitable as a direct fuel for internal combustion engines.

Statement 2 – CORRECT: Hydrogen can be blended into existing natural gas networks with highest potential in multifamily and commercial buildings, particularly in dense cities. Hence statement 2 is correct.

Statement 3 – CORRECT: Green Hydrogen Fuel Cell Electric Vehicle (FCEV) is one of the best Zero Emission solutions. It is completely environment friendly with no tailpipe emissions other than water.

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