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Q13 (IAS/2007) Science & Technology › Space & Defence Technology › Indian launch vehicles Answer Verified

Consider the following statements: 1. In the year 2006, India successfully tested a full-fledged cryogenic stage in rocketry. 2. After USA, Russia and China, India is the only country to have acquired the capability for use of cryogenic stage in rocketry. Which of the statements given above is/are correct?

Result
Your answer: —  Â·  Correct: D
Explanation

Both statements are incorrect. Statement 1 is false: ISRO’s indigenous cryogenic upper stage was fully hot-tested and qualified on the ground in 2007 (ground tests including a 480‑second test in August and a full-duration qualification reported in November 2007), not in 2006. In 2006 the GSLV had an unsuccessful flight attempt, which corroborates that the indigenous stage was not yet fully proven then [1]. Statement 2 is also false: several other space agencies and countries (for example Japan and the European Space Agency members) have developed and used cryogenic stages/launchers, so India is not uniquely the fourth after the USA, Russia and China to possess cryogenic-stage capability [1].

Sources

  1. [1] Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 12: Transport, Communications and Trade > Major Events > p. 57
  2. [2] https://www.sciencedirect.com/topics/engineering/launch-vehicles
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