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Civil Engineering :: UPSC Civil Service Exam Questions

  1. For an activity 201-207 in an AOA network, the EET values, LET values and activity duration are shown in the figure. Between free float, interference float and independent float, which one of the following is the correct sequence in the decreasing magnitude order ?

  2. A.
    Free float - Interference float - Independent float
    B.
    Free float - Independent float - Interference float
    C.
    Interference float - Free float - Independent float
    D.
    Interference float - Independent float - Free float

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  3. Consider the following statements :
    1. Dock is a marine structure for mooring up vessels, loading and unloading of passengers and/or cargo.
    2. Dry dock is generally used only for carrying out repairs, inspections and painting.
    3. Wet dock is an enclosed or partially enclosed basin provided with locks and entrance gate to keep the water level at a fairly constant level.
    Which of the statements given above are correct ?

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

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  5. Which one of the following statements is true to trickling filter sludge ?

  6. A.
    It has a comparatively low sludge volume index
    B.
    It is more difficult to dewater than activated sludge
    C.
    It has a comparatively low concentration of sludge solids
    D.
    It is bulky

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  7. In the case of a column of length 'l', moment of inertia of cross-section 'I' and Young's modulus of the material of the column 'E' being hinged at both ends, the buckling load, according to Euler's colum

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  9. What is the correct sequence of the following steps in the graphical determination of stresses in the members of a loaded plane truss ?
    1. Vector diagram to determine the end reactions.
    2. Space diagram.
    3. Stress diagram.
    Select the correct answer using the codes given below :

  10. A.
    1, 2, 3
    B.
    1, 3, 2
    C.
    2, 1, 3
    D.
    2, 3, 1

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  11. A steel rod of 16 irim diameter has been used as a tie in a bracing system, but may subject to possible reversal of stress due to the wind. What is the maximum permitted length of the member ?

  12. A.
    1600 mm
    B.
    1400 mm
    C.
    1200 mm
    D.
    1000 mm

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  13. The total number, of independent equations that form the Lacey's regime theory is

  14. A.
    2
    B.
    3
    C.
    4
    D.
    6

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  15. The following methods are used for structural analysis :
    1. Macaulay method
    2. Column analogy method
    3. Kani's method
    4. Method of sections
    Those used for indeterminate structural analysis would include

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

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  17. In the case of S2 water surface profile (y = depth of flow, y0 = normal depth, yc = critical depth)

  18. A.
    y0 > yc > y
    B.
    yc > y0 > y
    C.
    yc > y > y0
    D.
    y > yc > y0

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  19. A summit vertical curve is to be set joining + 2 percent grade with -3 percent grade. If the tangents interest at an elevation of 60 m and the rate of change of grade is - 1 percent per 100 m, then the elevation of the beginning point of the vertical curve will be

  20. A.
    58.5 m
    B.
    57.5 m
    C.
    55.0 m
    D.
    52.5 m

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