Technical Quiz -1 ( Section Properties)

6 Questions

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Technical Quiz -1 ( Section Properties)


Questions and Answers
  • 1. 
    Find the stresses at top and bottom face of the cross-section for given set of forces? 
    • A. 

      Top - 9.12 N/mm2  (Tensile) and Bottom - 11.52 N/mm2 (Compressive)

    • B. 

      Top - 9.09 N/mm2  (Tensile) and Bottom - 8.06 N/mm2 (Compressive)

    • C. 

      Top 9.12 N/mm(Tensile) & Bottom 9.12 N/mm2 (Compressive)

    • D. 

      Top - 8.06 N/mm(Tensile) & Bottom - 8.06 N/mm2 (Compressive)

    • E. 

      None of the above

  • 2. 
    Find the stresses at top and bottom face of the cross-section for given set of forces? 
    • A. 

      Top - 9.12 N/mm2  (Tensile) and Bottom - 11.52 N/mm2 (Compressive)

    • B. 

      Top - 9.09 N/mm2  (Tensile) and Bottom - 8.06 N/mm2 (Compressive)

    • C. 

      Top - 9.09 N/mm2  (Tensile) and Bottom - 9.09 N/mm2 (Compressive)

    • D. 

      Top - 9.12 N/mm2  (Tensile) and Bottom - 9.12 N/mm2 (Compressive)

  • 3. 
    Two bars 'X' & 'Y' with same cross-sectional area (A) and length of 'X' is twice of  'Y'. If both bars are of same material and subjected to same axial force, then which of the following will be true?
    • A. 

      Axial spring stiffness (Kx) = Axial spring stiffness (Ky) - Because both have same cross-sectional area 'A'

    • B. 

      Axial spring stiffness (Kx) > Axial spring stiffness (Ky) - Because length 'L' is higher for X then Y

    • C. 

      Axial spring stiffness (Kx) < Axial spring stiffness (Ky) - Because length 'L' is higher for X then Y

    • D. 

      Data is not sufficient

  • 4. 
    A Wall subject to uniformly varying lateral load perpendicular to its surface ( shown in the image below). Find the reaction in 'X' and 'Y' direction.
    • A. 

      FX - 437.5 kN & FY - 350 kN

    • B. 

      FX - 350 kN & FY - 437.5kN

    • C. 

      FX - 370.5 kN & FY - 490.5 kN

    • D. 

      FX - 490.5 kN & FY - 370.5 kN

    • E. 

      Non of the above

  • 5. 
    RCC water tank subjected to only lateral water pressure from inside in fig (a) and to only lateral earth pressure from outside in fig (b). Critical section for shear in fig (a) and (b) are - 
    • A. 

      At distance 'd' from X-X in (a) and at section X-X in (b)

    • B. 

      At section X-X in (a) and at distance 'd' from X-X in (b)

    • C. 

      At section X-X in (a) and (b)

    • D. 

      At distance 'd' from X-X in (a) and (b)

  • 6. 
    A rigid bar AC is supported by three rods of same material and of equal diameter. The bar AC is initially horizontal. A force P is applied such that the bar AC continues to remain horizontal. Force in each of the shorter rods and in the longer rod, respectively 
    • A. 

      0.4P, 0.2P

    • B. 

      0.3P, 0.4P

    • C. 

      0.2P, 0.6P

    • D. 

      0.5P, zero

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