πŸ“Š Design of Steel Structures
Q. If the moment of inertia of a section about its axis is and its effective sectional area is, its radius of gyration r about the axis, is
  • (A) r = I/A
  • (B) r I/A)
  • (C) r = (I/A)
  • (D) r A/I)
πŸ’¬ Discuss
βœ… Correct Answer: (B) r I/A)
πŸ“Š Design of Steel Structures
Q. The equivalent axial tensile load Pe, which produces an average axial tensile stress in the section equivalent to the combined stress due to axial tension P and bending M, at the extreme fibre of the section, is given by (where Z is the section modulus of the section).
  • (A) Pe = P + MA/Z
  • (B) Pe = P - MA/Z
  • (C) Pe = P - Z/MA
  • (D) Pe = P + Z/MA
πŸ’¬ Discuss
βœ… Correct Answer: (A) Pe = P + MA/Z
πŸ“Š Design of Steel Structures
Q. A 20 mm dia steel bar which is subjected to an axial tension of 2300 kg/cm2 produces a strain of cm. If Young's modulus of steel is 2.1 × 106kg/cm2, the bar is
  • (A) In the elastic range
  • (B) In the plastic range
  • (C) At yield point
  • (D) None of these
πŸ’¬ Discuss
βœ… Correct Answer: (A) In the elastic range

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