UPSC Prelims Practice Questions — Exhaust of 3,000 Litres of Diesel Replaced with Just Water Vapours: The Story of India's Hydrogen Train

Q1. The pilot project to operationalise India's first hydrogen fuel cell train on the Jind–Sonipat section was executed by Indian Railways primarily through which one of the following bodies?

  • A. Research Designs and Standards Organisation (RDSO)
  • B. Indian Railways Organisation of Alternative Fuels (IROAF)
  • C. Central Organisation for Railway Electrification (CORE)
  • D. Integral Coach Factory (ICF), Chennai

Q2. With reference to India's first hydrogen fuel cell train, consider the following statements: 1. It was flagged off on the Jind–Sonipat section of the Northern Railway in July 2026. 2. It has a 10-coach configuration and was designed, engineered and integrated in India. 3. Its supporting hydrogen storage and refuelling facility, the country's largest railway hydrogen facility, is located at Sonipat. 4. It runs on the metre-gauge network as a retrofitted electric multiple unit. Which of the statements given above are correctly identified?

  1. It was flagged off on the Jind–Sonipat section of the Northern Railway in July 2026.
  2. It has a 10-coach configuration and was designed, engineered and integrated in India.
  3. Its supporting hydrogen storage and refuelling facility, the country's largest railway hydrogen facility, is located at Sonipat.
  4. It runs on the metre-gauge network as a retrofitted electric multiple unit.
  • A. 1 and 2 only
  • B. 2 and 4 only
  • C. 1 and 3 only
  • D. 1, 2 and 4

Q3. India's NaMo Green Rail is described as among the world's most powerful hydrogen train-sets on broad gauge on account of a total propulsion power rating of about:

  • A. 1,600 kW
  • B. 4,500 kW
  • C. 2,400 kW (≈3,200 HP)
  • D. 800 kW

Q4. The claim that NaMo Green Rail is the world's longest and most powerful hydrogen train-set 'on broad gauge' refers to its operation on track of which rail-to-rail width?

  • A. 1,435 mm
  • B. 1,676 mm
  • C. 1,000 mm
  • D. 762 mm

Q5. Regarding the working of the hydrogen fuel cell system on India's hydrogen train, consider the following statements: 1. In the fuel cell, hydrogen reacts with oxygen to generate electricity that propels the train. 2. The only by-product of the reaction, emitted during operation, is water vapour. 3. The train continuously draws traction power from overhead electric lines. 4. Lithium iron phosphate (LFP) batteries support the fuel-cell power system on board. Which of the statements given above are correctly identified?

  1. In the fuel cell, hydrogen reacts with oxygen to generate electricity that propels the train.
  2. The only by-product of the reaction, emitted during operation, is water vapour.
  3. The train continuously draws traction power from overhead electric lines.
  4. Lithium iron phosphate (LFP) batteries support the fuel-cell power system on board.
  • A. 1, 2 and 3
  • B. 1, 3 and 4
  • C. 1, 2 and 4
  • D. 2, 3 and 4

Q6. Consider the following statements comparing a hydrogen fuel cell train with conventional trains: 1. Unlike a diesel-electric train, a hydrogen fuel cell train has zero tailpipe carbon emissions. 2. Unlike a conventional electric train, a hydrogen fuel cell train does not require continuous overhead electrification. 3. Unlike a diesel train, a hydrogen fuel cell train generates significantly greater noise during operation. Which of the statements given above is/are correct?

  1. Unlike a diesel-electric train, a hydrogen fuel cell train has zero tailpipe carbon emissions.
  2. Unlike a conventional electric train, a hydrogen fuel cell train does not require continuous overhead electrification.
  3. Unlike a diesel train, a hydrogen fuel cell train generates significantly greater noise during operation.
  • A. 1 and 2 only
  • B. 2 and 3 only
  • C. 1 and 3 only
  • D. 1, 2 and 3

Q7. With reference to the 'Hydrogen for Heritage' initiative of Indian Railways, consider the following statements: 1. Indian Railways plans to run 35 hydrogen trains under the initiative. 2. Each hydrogen train under the scheme is estimated to cost about ₹80 crore. 3. Ground infrastructure per route is estimated at about ₹70 crore. 4. Field trials of the first prototype on the Jind–Sonipat section were expected to commence in 2028–29. Which of the statements given above is/are NOT correct?

  1. Indian Railways plans to run 35 hydrogen trains under the initiative.
  2. Each hydrogen train under the scheme is estimated to cost about ₹80 crore.
  3. Ground infrastructure per route is estimated at about ₹70 crore.
  4. Field trials of the first prototype on the Jind–Sonipat section were expected to commence in 2028–29.
  • A. 1 only
  • B. 4 only
  • C. 2 and 3 only
  • D. 1 and 4 only

Q8. The 'Hydrogen for Heritage' initiative for running hydrogen trains on heritage/hill routes is implemented under the administrative authority of which one of the following Union Ministries?

  • A. Ministry of Railways
  • B. Ministry of New and Renewable Energy
  • C. Ministry of Heavy Industries
  • D. Ministry of Environment, Forest and Climate Change

Q9. The 2021 IROAF tender for India's first Hydrogen Fuel Cell based train was floated for which railway section (about 89 km), which later became the site of India's first hydrogen train?

  • A. Rewari–Rohtak
  • B. Kalka–Shimla
  • C. Sonipat–Jind
  • D. Kazipet–Vijayawada

Q10. The indigenous hydrogen storage and refuelling facility at Jind — the country's largest railway hydrogen facility — can store nearly how much hydrogen at a time?

  • A. ~300 kg
  • B. ~3,000 kg
  • C. ~30,000 kg
  • D. ~500 kg

Q11. With reference to green hydrogen and the National Green Hydrogen Mission, consider the following statements: 1. Green hydrogen is produced by electrolysis of water using electricity from renewable energy sources. 2. The Mission was approved with an outlay of about ₹19,744 crore. 3. The Mission targets green hydrogen production capacity of at least 5 MMT per annum by 2030. 4. The Mission is administered by the Ministry of Railways. Which of the statements given above are correctly identified?

  1. Green hydrogen is produced by electrolysis of water using electricity from renewable energy sources.
  2. The Mission was approved with an outlay of about ₹19,744 crore.
  3. The Mission targets green hydrogen production capacity of at least 5 MMT per annum by 2030.
  4. The Mission is administered by the Ministry of Railways.
  • A. 1, 2 and 3
  • B. 2, 3 and 4
  • C. 1 and 4 only
  • D. 1, 3 and 4

Q12. With reference to the world's first hydrogen fuel cell passenger train, consider the following statements: 1. The world's first hydrogen fuel cell passenger train, the Coradia iLint, entered service in Germany. 2. It began commercial passenger service in the year 2018. 3. It was first deployed in the German state of Lower Saxony. 4. It was manufactured by the Japanese company Hitachi. Which of the statements given above is/are NOT correct?

  1. The world's first hydrogen fuel cell passenger train, the Coradia iLint, entered service in Germany.
  2. It began commercial passenger service in the year 2018.
  3. It was first deployed in the German state of Lower Saxony.
  4. It was manufactured by the Japanese company Hitachi.
  • A. 1 only
  • B. 2 and 3 only
  • C. 4 only
  • D. 3 and 4 only