Q. Cryogenic engines find applications in

  • (A) rocket technology
  • (B) frost-free refrigerators
  • (C) sub-marine propulsion
  • (D) researches in superconductivity
✅ Correct Answer: (A) rocket technology

Published by Yami Thakur ⭐ 10.63K Points at 26-Jan-2022 07:20 pm in Physics

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