31. The degree of static indeterminacy up to which column analogy method can be used is__________________?
A. 2
B. 3
C. 4
D. unrestricted
✅ The correct answer is option B.
Structural Analysis MCQs
32. The number of independent equations to be satisfied for static equilibrium in a space structure is___________________?
A. 2
B. 3
C. 4
D. 6
✅ The correct answer is option D.
33. Degree of kinematic indeterminacy of a pin-jointed plane frame is given by______________?
A. 2j – r
B. j – 2r
C. 3j – r
D. 2j + r
✅ The correct answer is option A.
34. The number of independent equations to be satisfied for static equilibrium of a plane structure is__________________?
A. 1
B. 2
C. 3
D. 6
✅ The correct answer is option C.
35. The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in_________________?
A. vertical direction
B. horizontal direction
C. inclined direction
D. the direction in which the deflection is required
✅ The correct answer is option D.
36. When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would_______________?
A. change from compression to tension
B. change from tension to compression
C. always be compression
D. always be tension
✅ The correct answer is option A.
37. The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?
A. internal forces only
B. external forces only
C. internal as well as external forces
D. none of the above
✅ The correct answer is option C.
38. 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
✅ The correct answer is option D.
39. The deformation of a spring produced by a unit load is called _________________?
A. stiffness
B. flexibility
C. influence coefficient
D. unit strain
✅ The correct answer is option B.
40. In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always__________________?
A. zero
B. less than 1
C. 1
D. greater than 1
✅ The correct answer is option C.