Structural Analysis MCQ Questions & Answers

51

Which of the following is not the displacement method?

A) Equilibrium method B) Column analogy method C) Moment distribution method D) Kani's method

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Answer & Solution

Answer: Option B

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52

Which of the following methods of structural analysis is a displacement method?

A) Moment distribution method B) Column analogy method C) Three moment equation D) None of the above

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Answer & Solution

Answer: Option A

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53

The carryover factor in a prismatic member whose far end is fixed is

A) 0 B) $$\frac{1}{2}$$ C) $$\frac{3}{4}$$ D) 1

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Answer & Solution

Answer: Option B

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54

The degree of kinematic indeterminacy of a pin-jointed space frame is (where m, r and j have their usual meanings)

A) 2j - r B) 3j - r C) j - 2r D) j - 3r

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Answer & Solution

Answer: Option B

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55

The degree of static indeterminacy of a rigid-jointed space frame is (where m, r and j have their usual meanings)

A) m + r - 2j B) m + r - 3j C) 3m + r - 3j D) 6m + r - 6j

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Answer & Solution

Answer: Option D

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56

Castigliano’s first theorem is applicable

A) For statically determinate structures only B) When the system behaves elastically C) Only when principle of superposition is valid D) None of the above

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Answer & Solution

Answer: Option C

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57

Which of the following methods of structural analysis is a force method?

A) Slope deflection method B) Column analogy method C) Moment distribution method D) None of the above

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Answer & Solution

Answer: Option B

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58

Principle of superposition is applicable when

A) Deflections are linear functions of applied forces B) Material obeys Hooke's law C) The action of applied forces will be affected by small deformations of the structure D) None of the above

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Answer & Solution

Answer: Option A

Solution:

The principle of superposition is applicable when the deflections in a structure are linear functions of the applied forces.

This principle holds when the relationship between force and displacement is directly proportional, meaning that the total displacement caused by multiple forces is the sum of the displacements due to each force acting individually.

For this to be valid, the material must behave elastically and within its linear range, which is often governed by Hooke's law.

59

The effective and actual lengths of a cantilever are same if continuous at the support,

A) Unstrained against torsion at the support and free at the end B) With partial restraint against torsion of the support and free at the end C) Restrained against torsion at the support and free at the end D) None of these

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Answer & Solution

Answer: Option C

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60

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

A) Less than the left half span B) Whole of left half span C) More than the left half span D) Whole span

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Answer & Solution

Answer: Option D

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Structural Analysis MCQ Questions & Answers | Civil Engineering