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Mechanical Engineering :: Strength of Materials

  1. In a cantilever beam of length l subjected to a uniformly distributed load of w per unit length, the maximum deflection lies at the fixed end.

  2. A.
    Yes
    B.
    No

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  3. A lap joint is always in __________ shear.

  4. A.
    single
    B.
    double

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  5. The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.

  6. A.
    equal to
    B.
    half
    C.
    one-third
    D.
    two-third

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  7. When the shear force diagram is a parabolic curve between two points, it indicates that there is a

  8. A.
    point load at the two points
    B.
    no loading between the two points
    C.
    uniformly distributed load between the two points
    D.
    uniformly varying load between the two points

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  9. The efficiency of a riveted joint is the ratio of the strength of the joint to the strength of the solid plate.

  10. A.
    True
    B.
    False

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  11. The maximum deflection of a cantilever beam of length l with a uniformly distributed load of w per unit length is (where W = wl)

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  13. The slenderness ratio is the ratio of

  14. A.
    area of column to least radius of gyration
    B.
    length of column to least radius of gyration
    C.
    least radius of gyration to area of column
    D.
    least radius of gyration to length of column

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  15. When two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal

  16. A.
    polar moment of inertia
    B.
    polar modulus
    C.
    diameter
    D.
    angle of twist

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  17. For a beam, as shown in the below figure, the maximum deflection lies at

  18. A.
    from B
    B.
    from A
    C.
    from B
    D.
    from A

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  19. According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.

  20. A.
    equal to
    B.
    two times
    C.
    four times
    D.
    eight times

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