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MCQs

Total Questions : 110 | Page 7 of 11 pages
Question 61. The maximum shear stress in an I section is __________
  1.    F/8I ×[B/b (D²-d²)+d²]
  2.    F/6I ×[B/b (D²-d²)+d²]
  3.    F/8I ×[B/b (D³-d³)+d²]
  4.    F/4I ×[B/b (D²-d²)+d²]
 Discuss Question
Answer: Option A. -> F/8I ×[B/b (D²-d²)+d²]
Answer: (a).F/8I ×[B/b (D²-d²)+d²]
Question 62. The percentage of carbon in structural steel is __________
  1.    0.2 – 0.27 %
  2.    0.6 – 0.85 %
  3.    0.7 – 1.23 %
  4.    1.23 – 1.45%
 Discuss Question
Answer: Option A. -> 0.2 – 0.27 %
Answer: (a).0.2 – 0.27 %
Question 63. In steel sections, the junction between a flange and web is known as ________
  1.    Edge
  2.    Fillet
  3.    Corner
  4.    Lug
 Discuss Question
Answer: Option B. -> Fillet
Answer: (b).Fillet
Question 64. The minimum percentage elongation for mild steel is __________
  1.    6%
  2.    13%
  3.    23%
  4.    34%
 Discuss Question
Answer: Option C. -> 23%
Answer: (c).23%
Question 65. GOST standards are used in _________
  1.    Italy
  2.    Poland
  3.    Russia
  4.    Pakistan
 Discuss Question
Answer: Option C. -> Russia
Answer: (c).Russia
Question 66. The allowable tensile stresses in steel structures is taken as 1500 kg /cm² to ______
  1.    1765 kg /cm²
  2.    1900 kg /cm²
  3.    2125 kg /cm²
  4.    2455 kg/cm²
 Discuss Question
Answer: Option C. -> 2125 kg /cm²
Answer: (c).2125 kg /cm²
Question 67. As per IS:800, the minimum thickness of web should not be less than ______
  1.    d/250
  2.    d/300
  3.    d/350
  4.    d/125
 Discuss Question
Answer: Option A. -> d/250
Answer: (a).d/250
Question 68. What is the allowable stress in cast iron?
  1.    3200 N/mm²
  2.    2400 N/mm²
  3.    3400 N/mm²
  4.    5500 N/mm²
 Discuss Question
Answer: Option D. -> 5500 N/mm²
Answer: (d).5500 N/mm²
Question 69. Modulus of resilience is defined as __________
  1.    Resilience at ultimate stress
  2.    Resilience per unit volume
  3.    Resilience at proportional limit
  4.    Resilience at elastic limit
 Discuss Question
Answer: Option B. -> Resilience per unit volume
Answer: (b).Resilience per unit volume
Question 70. The failing of a very long column is initially by ___________
  1.    Crushing
  2.    Collapsing
  3.    Buckling
  4.    Twisting
 Discuss Question
Answer: Option C. -> Buckling
Answer: (c).Buckling

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