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Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium.

  2. A.

    Agree

    B.

    Disagree

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  3. Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as

  4. A.

    lift

    B.

    drag

    C.

    stagnation pressure

    D.

    bulk modulus

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  5. The height of a water column equivalent to a pressure of 0.15 MPa is

  6. A.

    15.3 m

    B.

    25.3 m

    C.

    35.3 m

    D.

    45.3 m

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  7. The total energy of a liquid particle in motion is equal to

  8. A.

    pressure energy + kinetic energy + potential energy

    B.

    pressure energy - (kinetic energy + potential energy)

    C.

    potential energy - (pressure energy + kinetic energy

    D.

    kinetic energy - (pressure energy + potential energy)

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  9. The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.

  10. A.

    one-half

    B.

    one-third

    C.

    two-third

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