Civil Services Prep

Prelims 2023 · Science and Technology · Question 90

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

Answer

All three

  1. Direct fuel for internal combustion: Hydrogen can be burned in modified internal combustion engines; green hydrogen is simply hydrogen produced using renewable energy. Verdict: Correct.

  2. Blending with natural gas: Hydrogen can be blended with natural gas and used in existing gas networks/turbines for heat and power generation, within technical limits. Verdict: Correct.

  3. Use in hydrogen fuel cells: Hydrogen is used in fuel cells to generate electricity for vehicles such as cars, buses, and trucks. Verdict: Correct.

Hence, all three statements are correct.

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