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Civil Engineering :: UPSC Civil Service Exam Questions

  1. If the time required for 60% consolidation of a remoulded soil sample of clay with single drainage is t, then what is the time required to consolidate the same sample of clay with the same degree of consolidation but with double drainage ?

  2. A.
    4 t
    B.
    2 t
    C.
    t/2
    D.
    t/4

  3. Which one of the following is the correct expression for the versine (h) of a curve ?(Where l = length of rail on the curve portion and r = radius of curvature)


  4. The principle of virtual work states that the virtual work is zero for

  5. A.
    a body moving with constant linear velocity
    B.
    a body rotating with constant angular velocity
    C.
    a body in equilibrium
    D.
    a body moving with constant linear acceleration

  6. A uniform beam of span l carries a uniformly distributed load W per unit length as shown in the figure. The supports are at a distance of x from either end. What is the condition for the maximum bending moment in the beam to be as small as possible?

  7. A.
    x = 0.107 l
    B.
    x = 0.207 l
    C.
    x = 0.237 l
    D.
    x = 0.25 l

  8. The distance of the centroid of a semi-circle of radius r from its base is


  9. A steel frame is shown in the given figure.
    If joint O of the frame is rigid, the rotational stiffness of the frame at point O is given by


  10. A circle of radius 7 m has a standard error of 0.02 m on the radius. The standard error of its area is

  11. A.
    0.04 m2
    B.
    0.14 m2
    C.
    0.28 m2
    D.
    0.88 m2

  12. A circular shaft is subjected to a twisting moment T and bending moment M. The ratio of maximum bending stress to maximum shear stress is given by


  13. By using sieve analysis, the particle size distribution curve has been plotted for a particular soil. The coefficient of curvature Cc is given by


  14. Consider the following properties :
    1. The sum of the three sides is always greater than the circumference of the great circle.
    2. The sum of the three angles is less than six right angles and greater than two right angles.
    3. The sum of the sides is greawter than the third side.
    4. The smaller angle is opposite the smaller side and vice versa.
    The propoerties of spherical triangles would include

  15. A.
    1, 2 and 3
    B.
    2, 3 and 4
    C.
    1, 2 and 4
    D.
    1, 3 and 4