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MCQs

Total Questions : 271 | Page 27 of 28 pages
Question 261. The degree of static indeterminacy of a rigid-jointed space frame is (where m, r and j have their usual meanings)
  1.    m + r – 3j
  2.    3m + r – 3j
  3.    m + r – 2j
  4.    6m + r – 6j
 Discuss Question
Answer: Option D. -> 6m + r – 6j
Question 262. Muller Breslau’s principle for obtaining influence lines is applicable toi) trussesii) statically determinate beams and framesiii) statically indeterminate structures, the material of which is elastic and follows Hooke’s lawiv) any statically indeterminate structureThe correct answer is
  1.    (i), (ii) and (iii)
  2.    (i), (ii) and (iv)
  3.    (i) and (ii)
  4.    only (i)
 Discuss Question
Answer: Option A. -> (i), (ii) and (iii)
Question 263. The width of the analogous column in the method of column analogy is
  1.    2/EI
  2.    1/EI
  3.    1/2 EI
  4.    1/4 EI
 Discuss Question
Answer: Option B. -> 1/EI
Question 264. Castigliano’s first theorem is applicable
  1.    for statically determinate structures only
  2.    when the system behaves elastically
  3.    only when principle of superposition is valid
  4.    none of the above
 Discuss Question
Answer: Option C. -> only when principle of superposition is valid
Question 265. The degree of static indeterminacy up to which column analogy method can be used is
  1.    2
  2.    3
  3.    4
  4.    unrestricted
 Discuss Question
Answer: Option B. -> 3
Question 266. Which of the following is not the displacement method?
  1.    Equilibrium method
  2.    Column analogy method
  3.    Moment distribution method
  4.    Kani's method
 Discuss Question
Answer: Option B. -> Column analogy method
Question 267. The Castigliano's second theorem can be used to compute deflections
  1.    In statically determinate structures only
  2.    For any type of structure
  3.    At the point under the load only
  4.    For beams and frames only
 Discuss Question
Answer: Option B. -> For any type of structure
Question 268. The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in
  1.    Vertical direction
  2.    Horizontal direction
  3.    Inclined direction
  4.    The direction in which the deflection is required
 Discuss Question
Answer: Option D. -> The direction in which the deflection is required
Question 269. Principle of superposition is applicable when
  1.    Deflections are linear functions of applied forces
  2.    Material obeys Hooke's law
  3.    The action of applied forces will be affected by small deformations of the structure
  4.    None of the above
 Discuss Question
Answer: Option A. -> Deflections are linear functions of applied forces
Question 270. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies
  1.    Less than the left half span
  2.    Whole of left half span
  3.    More than the left half span
  4.    Whole span
 Discuss Question
Answer: Option D. -> Whole span

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