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Civil Engineering :: UPSC Civil Service Exam Questions

  1. What is the total degree of indeterminancy, both internal and external of the plane frame ?

  2. A.
    10
    B.
    11
    C.
    12
    D.
    14

  3. In the design of two-way slab restrained at all edges, torsional reinforcement required is :

  4. A.
    0.75 times the area of steel provided at midspan in the same direction
    B.
    0.375 times the area of steel provided at midspan in the same direction
    C.
    0.375 times the area of steel provided in the shorter span
    D.
    Nil

  5. Two bars AO and BO are of uniform area 'A' each and are hinged at O as shown in the given figure. A load W is applied at O. The vertical deflection of O will be


  6. The length of a transition curve for a circular curve of radius 300 m and for a design speed of 15 m/s, when the rate of change of centrifugal acceleration is 0.3 m/s3 is

  7. A.
    30 m
    B.
    37.5 m
    C.
    45 m
    D.
    60 m

  8. Two closed-coil springs of stiffness s and 2s are arranged in series in one case and in parallel in the other case. The ratio of stiffness of springs connected in series to parallel is


  9. The rigid portal frame shown in the given figure will not have any sidesway if
    I1 = the moment of inertia of the column cross-section
    I2 = the moment of inertia of the beam cross-section

  10. A.
    it is subjected to vertical loading only
    B.
    I2 = 2I1
    C.
    the loading is symmetrical about its centre line
    D.
    loaded in any manner.

  11. Two similar round bars A and B are each 30 cm long as shown in the given figure. The ratio of the energies stored by the bars A and B, is

  12. A.
    3/2
    B.
    1.0
    C.
    5/8
    D.
    2/3

  13. Consider the following statements :
    The effect of air entrainment in concrete is to
    1. increase resistance to freezing and thawing.
    2. improve workability.
    3. decrease strength.
    Which of these statements are correct ?

  14. A.
    2 and 3
    B.
    1 and 3
    C.
    1 alone
    D.
    1, 2 and 3

  15. The state of stress at a point in a stressed element is shown in the given figure. The maximum tensile stress in the element will be

  16. A.
    20 N/mm2
    B.
    lO2 N/mm2
    C.
    10 N/mm2
    D.
    zero

  17. The shear modulus of a material is half of its Young's modulus. What is the value of its Poisson's ratio ?

  18. A.
    - 1
    B.
    - 0.5
    C.
    Zero
    D.
    0.5