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    Which of the following assumptions are used in the derivation of Bernoulli’s equation? (a] Steady flow (b} Compressible fluids (c} No losses
    Question

    Which of the following assumptions are used in the derivation of Bernoulli’s equation?
    (a] Steady flow
    (b} Compressible fluids
    (c} No losses from the fluid friction

    A.

    a and c

    B.

    All three

    C.

    a and b

    D.

    b and c​

    Correct option is A


    Correct answer is A
    Explanation:
    To derive Bernoulli's equation:
    [a) Steady flow is assumed
    ⇒ Fluid properties do not change with time.
    (c) No losses from fluid friction are assumed
    ⇒ Energy remains conserved within the system.
    Assumption {b), compressible fluids, is not typically included in Bernoulli's equation derivation, as the equation is primarily used for incompressible fluids.

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