space hard MCQ

ISRO's RLV-TD HEX-01 test in 2016 validated hypersonic flight characteristics at Mach _______.

  1. 3
  2. 5
  3. 8
  4. 10

Answer: 5

HEX-01 reached Mach ~5 during re-entry from 65 km altitude, testing aero-thermodynamics/navigation/control for reusable launch vehicle concept.

Topic Space Missions - Technology Demonstration
Exam Relevance ISRO Scientist Exam, UPSC Prelims
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