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2008 · Q85Science & TechnologyEnergy & Environmentmoderate

In the year 2007, an earthquake led to massive radioactive water leakage in the largest nuclear plant in the world. In which country did it occur?

  1. (a)Germany
  2. (b)Canada
  3. (c)Japan
  4. (d)USA
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Official answer(c) Japan

2026 · Q70Science & TechnologyEnergy & Environmentmoderate

Which of the following statements with regard to Green Hydrogen is/are correct ? 1. It is decarbonized hydrogen obtained from natural gas reforming combined with carbon capture and storage (CCS). 2. It is produced using electrolysis of water with electricity generated by renewable energy. 3. National Green Hydrogen Mission of India aims for abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030. Select the answer using the code given below :

  1. (a)1 only
  2. (b)2 and 3 only
  3. (c)2 only
  4. (d)1, 2 and 3
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Official answer(b) 2 and 3 only

2024 · Q31Science & TechnologyEnergy & Environmentmoderate

With reference to radioisotope thermoelectric generators (RTGs), consider the following statements : 1. RTGs are miniature fission reactors. 2. RTGs are used for powering the onboard systems of spacecrafts. 3. RTGs can use Plutonium-238, which is a by-product of weapons development. Which of the statements given above are correct ?

  1. (a)1 and 2 only
  2. (b)2 and 3 only
  3. (c)1 and 3 only
  4. (d)1, 2 and 3
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Official answer(b) 2 and 3 only