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UPSC Civil ServicesPrelims2024General Studies Paper I
Question
QQ31. 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 ?
Options
- A 1 and 2 only
- B 2 and 3 only
- C 1 and 3 only
- D 1, 2 and 3
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Correct Answer
B 2 and 3 only
Model Answer
Answer: option B, as per UPSC's final answer key (Series A).