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Mechanical Engineering :: Strength of Materials

  1. A beam supported on more than two supports is called

  2. A.
    simply supported beam
    B.
    fixed beam
    C.
    overhanging beam
    D.
    continuous beam

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  3. In a leaf spring, the length of all the leaves are equal.

  4. A.
    True
    B.
    False

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  5. Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,

  6. A.
    both beams are equally economical
    B.
    square beam is more economical
    C.
    circular beam is more economical
    D.
    none of these

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  7. A beam extending beyond the supports is called

  8. A.
    simply supported beam
    B.
    fixed beam
    C.
    overhanging beam
    D.
    cantilever beam

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  9. The compression test is carried on __________ materials.

  10. A.
    ductile
    B.
    brittle
    C.
    malleable
    D.
    plastic

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  11. A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be

  12. A.
    same
    B.
    double
    C.
    half
    D.
    one-fourth

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  13. When a material is loaded within elastic limit, the material will regain its shape and size when the load is removed.

  14. A.
    Agree
    B.
    Disagree

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  15. The critical neutral axis of a reinforced cement concrete beam is based on the principle that the neutral axis is situated at the centre of gravity of a given section.

  16. A.
    True
    B.
    False

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  17. The bending stress in abeam is __________ bending moment.

  18. A.
    equal to
    B.
    less than
    C.
    more than
    D.
    directly proportional to

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  19. In case of an under-reinforced beam, the depth of actual neutral axis is __________ that of the critical neutral axis.

  20. A.
    same as
    B.
    less than
    C.
    greater than

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