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Civil Engineering :: UPSC Civil Service Exam Questions

  1. A rectangular channel of 2.5 m width and 2 m depth of water carries a flow of 10 m3/s. The specific energy for the flow is given by

  2. A.
    1.18 m
    B.
    3.4 m/s
    C.
    2.0 m/s
    D.
    2.2 m

  3. Which of the following pollutants is responsible for depletion of ozone layer ?

  4. A.
    Unburnt hydrocarbon
    B.
    UV rays
    C.
    Chlorofluoro carbons
    D.
    Oxides of nitrogen

  5. If a composite bar of steel and copper is heated, then the copper bar will be subjected to

  6. A.
    compression
    B.
    shear
    C.
    tension
    D.
    torsion

  7. Consider the following discharge measurement devices :
    1. Cylindrical mouthpiece flowing full
    2. Sharp-edged orifice
    3. Convergent-divergent mouthpiece
    4. Borda's re-entrant mouthpiece flowing free
    The correct sequence of increasing order of their discharge coefficients is

  8. A.
    4-2-1-3
    B.
    4-2-3-1
    C.
    2-4-3-1
    D.
    2-4-1-3

  9. A square framework formed of uniform heavy rods of equal weight joined together is hung by one corner. A weight W is suspended from each of the three lower corners and the shape of the square is preserved .with the help of a light rod along the horizontal diagonal. The thrust of the light rod is

  10. A.
    2 W
    B.
    3 W
    C.
    4 W
    D.
    6 W

  11. The maximum bending moment at the left quarter point of a simple beam due to crossing of UDL of length shorter than the span in the direction left to right, would occur after the load had just crossed the section by

  12. A.
    one-fourth of its length
    B.
    half of its length
    C.
    three-fourth of its length
    D.
    its full length

  13. The formulation for BOD assimilation in a stream should include

  14. A.
    BOD rate constant
    B.
    Sedimentation of organic matter
    C.
    BOD rate constant and sedimentation of organic matter
    D.
    Pathogenic bacterial decay coefficient

  15. A truss is shown in the given figure. The cross-sectional area of each member is 'A' and the modulus of elasticity of the material is E. The strain energy in the member XY is given by

  16. A.
    P2L/2AE
    B.
    P2L/QAE
    C.
    P2L/3AE
    D.
    zero

  17. For the simply supported beam shown in the given figure, at what distance from the support A, is the shear force zero?


  18. The elements that are normally subjected to combined bending and axial forces are

  19. A.
    struts in reinforced concrete members
    B.
    the members in long span bridges
    C.
    columns in framed structures
    D.
    space truss members