MCQOPTIONS
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MCQOPTIONS
This section includes 72 Mcqs, each offering curated multiple-choice questions to sharpen your Strength Materials knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Volumetric strain = 3× _____ strain. |
| A. | Lateral |
| B. | Linear |
| C. | Composite |
| D. | Yield |
| Answer» C. Composite | |
| 52. |
Calculate the Strain energy that can be stored in a body to be pulled with 100 N/mm² stress (f) and E = 2×10⁵ N/mm². |
| A. | 0.9 kNm |
| B. | 0.05kNm |
| C. | 0.87kNm |
| D. | 0.54kNm |
| Answer» C. 0.87kNm | |
| 53. |
Principal plane has ____________ |
| A. | Maximum shear stress |
| B. | Maximum tensile stress |
| C. | Zero shear stress |
| D. | Minimum bending stress |
| Answer» D. Minimum bending stress | |
| 54. |
A body having similar properties throughout its volume is said to be _____________ |
| A. | Isotropic |
| B. | Homogeneous |
| C. | Continuous |
| D. | Uniform |
| Answer» C. Continuous | |
| 55. |
Unsymmetrical bending occurs due to ______ |
| A. | The Beam cross section is unsymmetrical |
| B. | The shear Centre does not coincide with the neutral axis |
| C. | The Beam is subjected to trust in addition to bending moment |
| D. | The bending moment diagram is unsymmetrical |
| Answer» E. | |
| 56. |
Materials exhibiting time bound behaviour are known as _______ |
| A. | Isentropic |
| B. | Reactive |
| C. | Fissile |
| D. | Visco elastic |
| Answer» E. | |
| 57. |
If a beam is subjected to pure bending, then the deformation of the beam is_____ |
| A. | Arc of circle |
| B. | Triangular |
| C. | Trapezoidal |
| D. | Rectangular |
| Answer» B. Triangular | |
| 58. |
In simple bending, ______ is constant. |
| A. | Shear force |
| B. | Loading |
| C. | Deformation |
| D. | Bending moment |
| Answer» E. | |
| 59. |
Find the modulus of section of square beam of size 300×300 mm. |
| A. | 4.8 × 10⁶ mm³ |
| B. | 4.5 × 10⁶ mm³ |
| C. | 5.6 × 10⁶ mm³ |
| D. | 4.2 × 10⁶ mm³ |
| Answer» C. 5.6 × 10⁶ mm³ | |
| 60. |
Calculate the maximum stress due to Bending in a steel strip of 30 mm thick and 60 mm wide is bent around a circular drum of 3.6 m diameter [Take Young’s modulus = 200kN/m²]. |
| A. | 2341.76 N/mm² |
| B. | 1666.67 N/mm² |
| C. | 5411.76 N/mm² |
| D. | 4666.67 N/mm² |
| Answer» C. 5411.76 N/mm² | |
| 61. |
Determine section modulus for beam of 100mm diameter. |
| A. | 785 × 10³ mm³ |
| B. | 456 × 10³ mm³ |
| C. | 87 × 10³ mm³ |
| D. | 98 × 10³ mm³ |
| Answer» E. | |
| 62. |
The steel plate is bent into a circular path of radius 10 metres. If the plate section be 120 mm wide and 20 mm thick, then calculate the maximum bending stress. [Consider Young’s modulus = 200000 N/mm2].$# |
| A. | 350 N/mm<sup>2</sup> |
| B. | 400 N/mm<sup>2</sup> |
| C. | 200 N/mm<sup>2</sup> |
| D. | 500 N/mm<sup>2</sup> |
| Answer» D. 500 N/mm<sup>2</sup> | |
| 63. |
The strength of beams depend merely on________$ |
| A. | Modulus section |
| B. | Moment of inertia |
| C. | Flexural rigidity |
| D. | Moment of resistance |
| Answer» B. Moment of inertia | |
| 64. |
STATEMENT: “The product of modulus of elasticity (E) and polar moment of inertia (J) is called torsional rigidity”?# |
| A. | |
| B. | True |
| Answer» C. | |
| 65. |
In cantilever beams, there is _______ stress above neutral axis? |
| A. | Compressive |
| B. | Tensile |
| C. | Temperature |
| D. | Shear |
| Answer» C. Temperature | |
| 66. |
_________ is the total Strain energy stored in a body. |
| A. | modulus of resilience |
| B. | impact energy |
| C. | resilience |
| D. | Proof resilience |
| Answer» D. Proof resilience | |
| 67. |
Skin stress is also called as ______ |
| A. | Shear stress |
| B. | Bending stress |
| C. | Lateral stress |
| D. | Temperature stress |
| Answer» C. Lateral stress | |
| 68. |
The curvature of a beam is equal to _____ |
| A. | EI/M |
| B. | M/E |
| C. | M/EI |
| D. | E/MI |
| Answer» D. E/MI | |
| 69. |
At the extreme fibre, bending stress is______ |
| A. | Minimum |
| B. | Zero |
| C. | Constant |
| D. | Maximum |
| Answer» E. | |
| 70. |
The stress is directly proportional to _______ |
| A. | E |
| B. | u |
| C. | y |
| D. | R |
| Answer» D. R | |
| 71. |
The maximum _________ stresses occurs at top most fibre of a simply supported beam. |
| A. | Tensile |
| B. | Compressive |
| C. | Shear |
| D. | Bending |
| Answer» C. Shear | |
| 72. |
In simply supported beams, the _____ stress distribution is not uniform. |
| A. | Bending |
| B. | Shearing |
| C. | Tensile |
| D. | Compressive |
| Answer» B. Shearing | |