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Discussion :: Chemistry

  1. Submarines move under water. They have engines that run on

  2. A.

     Petrol and oxygen

    B.

     Diesel

    C.

     Batteries

    D.

     Steam

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    Answer : Option B

    Explanation :

    Early submarines used a direct mechanical connection between the engine and propeller, switching between diesel engines for surface running, and electric motors for submerged propulsion. Diesel electric submarines have a stealth advantage over their nuclear counterparts.


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