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    Mechanical Engineering Quiz - Set 12


    1. The proof resilience per unit volume of a material is known as modulus of resilience.
    True
    False

    2. When plates are fastened by a rivet, the holes in the plates should be made by punching and reaming.
    Correct
    Incorrect

    3. In a Proell governor, the balls are attached to the extension of lower links.
    True
    False

    4. Locomotive boiler is a ________ boiler.
    Fire tube
    Water tube

    5. Liquid fuels have higher calorific value than solid fuels.
    Yes
    No

    6. A Porter governor can not be isochronous.
    Agree
    Disagree

    7. If the efficiency of a lifting machine is kept constant, its velocity ratio is _________ proportional to its mechanical advantage.
    Inversely
    Directly

    8. When a rectangular beam is loaded transversely, the zero stress is developed on the neutral axis.
    True
    False

    9. A weir is usually made of masonry or concrete.
    Yes
    No

    10. The module is the reciprocal of diametral pitch.
    True
    False

    11. The change of entropy, when heat is removed from the gas, is negative.
    Yes
    No

    12. Conduction is the process of heat transfer from one particle of the body to another by the actual motion of the heated particles.
    True
    False

    13. A link or element need not to be a rigid body, but it must be a resistant body.
    Agree
    Disagree

    14. An ideal fluid is frictionless and incompressible.
    Correct
    Incorrect

    15. A pattern is used to make the mould cavity for pouring the molten metal for casting.
    Yes
    No

    16. The delay period in oil engines increases with increase in the speed of engine.
    Agree
    Disagree

    17. Parallel fillet welds are designed for bending strength.
    Agree
    Disagree

    18. The sensitiveness of a governor depends upon the lift of the sleeve.
    Right
    Wrong

    19. The vacuum pressure is always the negative gauge pressure.
    Yes
    No

    20. In petrol engines, using a fixed octane rating fuel, the increase in compression ratio will not affect the knocking tendency.
    Agree
    Disagree

         Score =

    Correct answers:

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    Item Reviewed: Mechanical Engineering Quiz - Set 12 Rating: 5 Reviewed By: Pranab Debnath
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