The applications of Cryogenic engines can be found in

Options :
  1. rocket technology
  2. frost-free refrigerators
  3. sub-marine propulsion
  4. researches in superconductivity
Answer and Explanation :-

Answer: Option 1

Explanation:

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We are apt to imagine that if Jesus Christ constrains us and we obey Him, He will lead us to great success but He does not. If our Lord has ever constrained you, and you obeyed Him, what was your dream of His purpose? Never put your dream of success as God's purpose for you His purpose may be exactly the opposite.
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