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Railways NTPC (Technical Ability) Thermodynamics Question Bank Thermodynamics

  • question_answer
    Consider the following statements:
    A tube section diverging in the direction of fluid flow can be used as
    1. Supersonic nozzle       
    2. Subsonic nozzle
    3. Supersonic diffuser     
    4. Subsonic diffuser
    Which of the statements given above is/are correct?

    A) 1 only              

    B) 1 and 4

    C) 3 only              

    D) 2 and 3

    Correct Answer: B

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