Branch Wise MCQCivil Engineering McqsStrength Of Materials 100+ MCQ & Answer Strength Of Materials | page-07 |Civil Engineering MCQ And Answer January 27, 2025 DSN MARATHI 61. For a simply supported beam with a central load, the bending moment is A. least at the supports B. maximum at the supports C. least at the centre D. maximum at the centre. Answer Option : D 62. The weakest section of a diamond riveting, is the section which passes through A. one rivet hole of end row. B. second row C. central raw D. first row Answer Option : D 63. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is A. 1/2 B. 1/4 C. 1/3 D. 1/5 Answer Option : C 64. A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is A. M/3 B. M/2 C. M D. ML/2 Answer Option : D 65. The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is A. 1/16 B. 1/2 C. 1/4 D. 15/16 Answer Option : D 66. The shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always A. linear B. cubical C. parabolic D. circular Answer Option : C 67. The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and A. modulus of rigidly. B. moment of inertia C. polar modulus D. polar moment of inertia Answer Option : D 68. The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is A. more than one B. equal to 3π/16 C. equal to one D. less than one Answer Option : B 69. If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by A. 1/8 B. 4 C. 2 D. 1/2 Answer Option : D 70. If two forces acting at a joint are not along the straight line, then for the equilibrium of the joint A. forces must be equal in magnitude but opposite in sign. B. each force must be zero C. one of the forces must be zero D. forces must be equal and of the same sign Answer Option : B
61. For a simply supported beam with a central load, the bending moment is A. least at the supports B. maximum at the supports C. least at the centre D. maximum at the centre. Answer Option : D
62. The weakest section of a diamond riveting, is the section which passes through A. one rivet hole of end row. B. second row C. central raw D. first row Answer Option : D
63. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is A. 1/2 B. 1/4 C. 1/3 D. 1/5 Answer Option : C
64. A beam of length L is pinned at both ends and is subjected to a concentrated bending couple of moment M at its centre. The maximum bending moment in the beam is A. M/3 B. M/2 C. M D. ML/2 Answer Option : D
65. The ratio of strengths of solid to hollow shafts, both having outside diameter D and hollow having inside diameter D/2, in torsion, is A. 1/16 B. 1/2 C. 1/4 D. 15/16 Answer Option : D
66. The shape of the bending moment diagram over the length of a beam, carrying a uniformly distributed load is always A. linear B. cubical C. parabolic D. circular Answer Option : C
67. The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and A. modulus of rigidly. B. moment of inertia C. polar modulus D. polar moment of inertia Answer Option : D
68. The ratio of the moment of inertia of a circular plate and that of a square plate for equal depth, is A. more than one B. equal to 3π/16 C. equal to one D. less than one Answer Option : B
69. If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by A. 1/8 B. 4 C. 2 D. 1/2 Answer Option : D
70. If two forces acting at a joint are not along the straight line, then for the equilibrium of the joint A. forces must be equal in magnitude but opposite in sign. B. each force must be zero C. one of the forces must be zero D. forces must be equal and of the same sign Answer Option : B
