A. is increased
B. is decreased
C. remains unchanged
D. becomes zero
✅ The correct answer is option B.
Structural Analysis MCQs
A rigid-jointed plane frame is stable and statically determinate if_______________?
A. (m + r) = 2j
B. (m + r) = 3j
C. (3m + r) = 3j
D. (m + 3r) = 3j
✅ The correct answer is option C.
Which of the following is not the displacement method ?
A. Equilibrium method
B. Column analogy method
C. Moment distribution method
D. Kani’s method
✅ The correct answer is option B.
A load ‘W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is___________________?
A. 0.16 Wl
B. 0.20 Wl
C. 0.24 Wl
D. 0.25 Wl
✅ The correct answer is option C.
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
✅ The correct answer is option B.
If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by__________________?
A. m + r + 2j
B. m – r + 2j
C. m + r – 2j
D. m + r – 3j
✅ The correct answer is option C.
The carryover factor in a prismatic member whose far end is fixed is___________________?
A. 0
B. 1/2
C. 3/4
D. 1
✅ The correct answer is option B.
A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be________________?
A. 8 kN.m
B. 15 kN.m
C. 30 kN.m
D. 60 kN.m
✅ The correct answer is option C.
The degree of static indeterminacy of a pin-jointed space frame is given by_________________?
A. m + r – 2j
B. m + r – 3j
C. 3m + r – 3j
D. m + r + 3j
✅ The correct answer is option B.
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
✅ The correct answer is option C.