Railways Technical Ability Fluid Mechanics and Machinery Question Bank Fluid Mechanics

  • question_answer Consider the following statements:
    1. For stream function to exist, the flow should be irrotational.
    2. Potential functions are possible even though continuity is not satisfied.
    3. Stremlines diverge where the flow is accelerated.
    4. Bernoulli's equation will be satisfied for flow across a cross-section.
    Which of the above statements is/are correct?

    A) 1, 2, 3 and 4                 

    B) 1, 3 and 4

    C) 3 and 4            

    D) 2 only

    Correct Answer: B


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