Q. Cryogenic engines final application in

  • (A) Sub-marine propulsion
  • (B) Frost-free refrigerators
  • (C) Researches in superconductivity
  • (D) Rocket technology
✅ Correct Answer: (D) Rocket technology

Published by Ram Sharma ⭐ 193.88K Points at 06-Nov-2021 06:34 pm in General Awareness

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