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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-11

  • question_answer
    Cryogenic engines are used in

    A)  Rockets

    B)  Aeroplanes

    C)  Refrigerators     

    D)  Sub-marines

    Correct Answer: A

    Solution :

    A cryogenic rocket engine is a rocket engine that uses a cryogenic fuel or oxidizer, that is, its fuel or oxidizer (or both) are gases liquefied and stored at very low temperatures.


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