Structural Analysis(Civil Engineering ) Questions and Answers

Question 1. Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is
  1.    2
  2.    3
  3.    6
  4.    8
Explanation:-
Answer: Option C. -> 6
Question 2. For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to
  1.    5 mm less than the minimum clear distance between the main bars
  2.    5 mm less than the minimum cover to the reinforcement
  3.    Smaller of A and B
  4.    Greater of A and B
Explanation:-
Answer: Option C. -> Smaller of A and B
Question 3. The maximum bending moment due to a train of wheel loads on a simply supported girder
  1.    Always occurs at centre of span
  2.    Always occurs under a wheel load
  3.    Never occurs under a wheel load
  4.    None of the above
Explanation:-
Answer: Option B. -> Always occurs under a wheel load
Question 4. The fixed support in a real beam becomes in the conjugate beam a
  1.    Roller support
  2.    Hinged support
  3.    Fixed support
  4.    Free end
Explanation:-
Answer: Option D. -> Free end
Question 5. When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when
  1.    The centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
  2.    The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
  3.    The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
  4.    None of the above
Explanation:-
Answer: Option B. -> The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
Question 6. Which of the following is not the displacement method?
  1.    Equilibrium method
  2.    Column analogy method
  3.    Moment distribution method
  4.    Kani's method
Explanation:-
Answer: Option B. -> Column analogy method
Question 7. The carryover factor in a prismatic member whose far end is fixed is
  1.    0
  2.    $$\frac{1}{2}$$
  3.    $$\frac{3}{4}$$
  4.    1
Explanation:-
Answer: Option B. -> $$\frac{1}{2}$$
Question 8. The degree of kinematic indeterminacy of a pin-jointed space frame is (where m, r and j have their usual meanings)
  1.    2j - r
  2.    3j - r
  3.    j - 2r
  4.    j - 3r
Explanation:-
Answer: Option B. -> 3j - r
Question 9. Which of the following methods of structural analysis is a displacement method?
  1.    Moment distribution method
  2.    Column analogy method
  3.    Three moment equation
  4.    None of the above
Explanation:-
Answer: Option A. -> Moment distribution method
Question 10. The degree of static indeterminacy of a rigid-jointed space frame is (where m, r and j have their usual meanings)
  1.    m + r - 2j
  2.    m + r - 3j
  3.    3m + r - 3j
  4.    6m + r - 6j
Explanation:-
Answer: Option D. -> 6m + r - 6j
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