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UPSC Civil Service Exam Questions problems

  • 1. Consider the following strengths of concrete :
    1. Cube strength
    2. Cylinder strength
    3. Split-tensile strength
    4. Modulus of rupture
    The correct sequence in decreasing order of these strengths is

  • Options
  • A. 3, 4, 2, 1
  • B. 3, 4, 1, 2
  • C. 4, 3, 2, 1
  • D. 4, 3, 1, 2
    • Discuss
  • 2. The graphical condition for equilibrium of concurrent forces is that

  • Options
  • A. both the force polygon and the funicular polygon must be closed figures
  • B. funicular polygon should be a closed figure
  • C. force polygon need not be a closed figure
  • D. force polygon should be a closed figure
    • Discuss
  • 3. A close-coiled helical spring with n coils, mean radius R and diameter d is subjected to an axial load W. What is the compression in the spring?

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 4. The plastic modulus of a section is 5 x 10-4m3. Its shape factor is 1.2 and the plastic moment capacity is 120 kNm. What is the value of the yield stress of the material?

  • Options
  • A. 100 N/mm2
  • B. 200 N/mm2
  • C. 240 N/mm2
  • D. 288 N/mm2
    • Discuss
  • 5. The figure refers to a channel section of uniform thickness of 1 cm used as a beam with the cross-sectional dimensions shown in cm units. If the Moment of Inertia of channel Ixx be equal to 246 cm4 and C be the shear centre, then the value of e in cm is equal to
    Civil Engineering UPSC Civil Service Exam Questions: The figure refers to a channel section of uniform thickness of 1 cm used as a beam with the cross-se

  • Options
  • A. 1.5
  • B. 2.5
  • C. 2.25
  • D. 1.67
    • Discuss
  • 6. Consider the following statements :
    1. An ascending gradient of 1 in 100 meets an ascending gradient of 1 in 120 to form a Valley curve.
    2. A falling gradient of 1 in 25 meets a falling gradient of 1 in 50 to form a summit curve.
    3. The length of summit curve is determined on the basis of head light sight distance.
    Which one of the statements given above is/are correct?

  • Options
  • A. 1 and 2
  • B. 2 and 3
  • C. 1 and 3
  • D. 2 only
    • Discuss
  • 7. Activated sludge is the

  • Options
  • A. resultant sludge removable from the aeration unit
  • B. sludge settled in the humus tank
  • C. sludge in the secondary tank post-aeration rich in microbial mass
  • D. sludge.in the secondary tank post aeration, rich in nutrients.
    • Discuss
  • 8. The given figure shows gradually varied flow in an open channel with a beak in bed slope. Types of water surface profiles occurring from left to right are
    Civil Engineering UPSC Civil Service Exam Questions: The given figure shows gradually varied flow in an open channel with a beak in bed slope. Types of w

  • Options
  • A. H2 , S3
  • B. H2 , S2
  • C. H2 , M2
  • D. H3 , M2
    • Discuss
  • 9. For total reaction time of 2.5 seconds, coefficient of friction 0.35, design speed 80 km/h, what is the stopping sight distance on a highway?

  • Options
  • A. 127 m
  • B. 132 m
  • C. 76 m
  • D. 56 m
    • Discuss
  • 10. Which are the critical activities of the bar chart shown above?
    Civil Engineering UPSC Civil Service Exam Questions: Which are the critical activities of the bar chart shown above?

  • Options
  • A. Activities B and E
  • B. Activities A, D and F
  • C. Activities A, C and E
  • D. Activities A and F
    • Discuss

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