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    Mechanical Engineering Quiz - Set 11


    1. A mechanism consisting of more than four links is called a compound mechanism.
    True
    False

    2. A pressure vessel is said to be a thin shell, if the ratio of wall thickness to its diameter is equal to 1/10.
    Yes
    No

    3. The wave length of the radiation emitted depends only on the temperature and is independent of the material of the body.
    True
    False

    4. In an ordinary bolt, the effect of the impulsive loads applied axially is concentrated on the cross-sectional area at the root of the threads.
    Yes
    No

    5. The specific weight is also known as weight density.
    Correct
    Incorrect

    6. The centre of gravity of a triangle lies at a point where its medians intersect each other.
    False
    True

    7. The frictional torque transmitted in a multi collared shaft is same as that of a single collared shaft.
    Right
    Wrong

    8. The specific speed of a centrifugal pump may be defined as the speed of an imaginary pump, identical with the given pump, which will discharge one litre of water, while it is being raised through a head of one meter.
    True
    False

    9. When the Mach number is equal to unity, the flow is called sonic flow.
    True
    False

    10. The cylinder of a gas engine is made _________ than that of the petrol engine.
    Smaller
    Larger

    11. The sliding pairs, turning pairs and screw pairs form lower pairs.
    True
    False

    12. A long delay period in compression ignition engines gives a more rapid rise in pressure which causes knocking.
    Yes
    No

    13. In a leaf spring, the length of all the leaves are equal.
    True
    False

    14. The coefficient of restitution for elastic bodies is one.
    Correct
    Incorrect

    15. A notch is, usually, made of a metallic plate.
    Correct
    Incorrect

    16. The swing diameter over carriage is always less than the swing diameter over bed.
    Yes
    No

    17. In a shaper mechanism, the Coriolis component of acceleration does not exist.
    True
    False

    18. The sensible heat during humidification process decreases.
    True
    False

    19. Steam engines are called external combustion engines.
    Yes
    No

    20. Turbulent flow takes place at high velocities.
    Agree
    Disagree

         Score =

    Correct answers:

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    Item Reviewed: Mechanical Engineering Quiz - Set 11 Rating: 5 Reviewed By: Pranab Debnath
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