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Civil Engineering :: Theory of Structures

  1. parabolic arch of span and rise , is given by The equation of a

  2. A.

     y = h/l² × (1 – x )

    B.

     y = 2h/l² × (1 – x)

    C.

     y = 3h/l² × (1 – x)

    D.

     y = 4h/l² × (1 – x)

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  3. The equivalent length of a column of length L having one end fixed and the other end free, is

  4. A.

     2L

    B.

     L

    C.

     L/2

    D.

     L

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  5. Pick up the correct statement from the following:

  6. A.

     A wire wound in spiral form, is called a helical spring

    B.

     The pitch of a close coil spring, is very small

    C.

     The angle made by the coil with horizontal, is called the angle of helix

    D.

     All the above

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  7. The area of the core of a column of cross sectional area A, is

  8. A.

     (1/3) A

    B.

     (1/6) A

    C.

     (1/12) A

    D.

     (1/18) A

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  9. The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called

  10. A.

     Stiffness

    B.

     Proof resilience

    C.

     Proof stress

    D.

     Proof load

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  11. The greatest load which a spring can carry without getting permanently distorted, is called

  12. A.

     Stiffness

    B.

     Proof resilience

    C.

     Proof stress

    D.

     Proof load

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  13. Pick up the correct statement from the following:

  14. A.

     Hoop strain of the walls of a cylinder due to liquid is (pd/2tE) (1 – 1/2m)

    B.

     Longitudinal strain in the walls of a cylinder due to liquid is (pd/2 tE) (1/2 – 1/m)

    C.

     Volumetric change in the cylinder due to liquid is (pd/2tE) (5/2 – 2/m)

    D.

     All the above

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  15. A shaft rotating N.R.M. under a torque T, transmits a power

  16. A.

     /30 Newton metres/sec

    B.

     /30 Newton metres/min

    C.

     /60 Newton metres/min

    D.

     /60 Newton metres/sec

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  17. A shaft subjected to a bending moment M and a torque T, experiences

  18. A.

     Maximum bending stress = 32M/πd³

    B.

     Maximum shear stress = 16 T/πd³

    C.

     Both A and B

    D.

     Neither A nor B

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  19. The strain energy due to volumetric strain

  20. A.

     Is directly proportional to the volume

    B.

     Is directly proportional to the square of exerted pressure

    C.

     Is inversely proportional to Bulk modulus

    D.

     All the above

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