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Home ‣ Civil Engineering ‣ UPSC Civil Service Exam Questions See What Others Are Saying!
  • Question

  • In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (most likely time). What is the variance of is activity?


  • Options
  • A. In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (mos
  • B. In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (mos
  • C. In a PERT network, the activity durations are given as to (optimistic), tp (pessimistic) and tm (mos
  • D. None of the above

  • Correct Answer
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    • More questions

    • 1. The rise and fall method of reduction of levels, provides a check on

    • Options
    • A. back sights
    • B. fore sights
    • C. intermediate sights
    • D. all of these.
      • Discuss
    • 2. With a percentage increase of carbon in steel, decreases its

    • Options
    • A. strength
    • B. hardness
    • C. brittleness
    • D. ductility.
      • Discuss
    • 3. Effective length of a column effectively held in position and restrained in direction at one end but neither held in position nor restrained in direction at the other end, is

    • Options
    • A. L
    • B. 0.67 L
    • C. 0.85 L
    • D. 1.5 L
    • E. 2 L
      • Discuss
    • 4. In chain surveying tie lines are primarily provided

    • Options
    • A. to check the accuracy of the survey
    • B. to take offsets for detail survey
    • C. to avoid long offsets from chain lines
    • D. to increase the number of chain lines.
      • Discuss
    • 5. In rolled steel beams, shear force is mostly resisted by

    • Options
    • A. web only
    • B. flanges only
    • C. web and flanges together
    • D. none of these.
      • Discuss
    • 6. The quantity of water retained by the sub-soil against gravity, is known

    • Options
    • A. yield
    • B. porosity
    • C. specific yield
    • D. specific retention
    • E. none of these.
      • Discuss
    • 7. Infiltration capacity of soil depends upon

    • Options
    • A. number of voids present in the soil
    • B. shape and size of soil particles
    • C. arrangement of soil particles
    • D. compaction of the soil particles
    • E. all the above.
      • Discuss
    • 8. Pick up the commonly adopted geophysical method in civil engineering from the following :

    • Options
    • A. the seisomic method
    • B. electrical resistivity method
    • C. gravitational method
    • D. magnetic method
    • E. both (a) and (b) of the above.
      • Discuss
    • 9. According to IS: 800-1962, the coefficient of expansion of steel per degree centigrade per unit length, is taken as

    • Options
    • A. 0.000008
    • B. 0.000010
    • C. 0.000012
    • D. 0.000014
    • E. 0.000016
      • Discuss
    • 10. If x% is the gradient of an alignment and y% is the gradient after proper superelevation along a curved portion of a highway, the differential grade along the curve, is

    • Options
    • A. (x + y)%
    • B. (x - y)%
    • C. (y - x)%
    • D. (x x y)%
    • E. (y + x)%
      • Discuss

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