MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Strength Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Strength of the beam depends only on the cross section. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
The bending strain is zero at _______ |
| A. | Point of contraflexure |
| B. | Neutral axis |
| C. | Curvature |
| D. | Line of action of loading |
| Answer» C. Curvature | |
| 3. |
The term “Tenacity” means __________ |
| A. | Working stress |
| B. | Ultimate stress |
| C. | Bulk modulus |
| D. | Shear modulus |
| Answer» C. Bulk modulus | |
| 4. |
The Poisson’s ratio for concrete is __________ |
| A. | 0.4 |
| B. | 0.35 |
| C. | 0.12 |
| D. | 0.2 |
| Answer» E. | |
| 5. |
To what radius an Aluminium strip 300 mm wide and 40mm thick can be bent, if the maximum stress in a strip is not to exceed 40 N/mm2. Take young’s modulus for Aluminium is 7×105 N/mm2. |
| A. | 45m |
| B. | 52m |
| C. | 35m |
| D. | 65m |
| Answer» D. 65m | |
| 6. |
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 | |
| 7. |
THE_BENDING_STRAIN_IS_ZERO_AT________?$ |
| A. | Point of contraflexure |
| B. | Neutral axis |
| C. | Curvature |
| D. | Line of action of loading |
| Answer» C. Curvature | |
| 8. |
Strength_of_the_beam_depends_only_on_the_cross_section?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
A steel rod of 25 mm diameter and 600 mm long is subjected to an axial pull of 40000. The intensity of stress is? |
| A. | 34.64 N/mm<sup>2</sup> |
| B. | 46.22 N/mm<sup>2</sup> |
| C. | 76.54 N/mm<sup>2</sup> |
| D. | 81.49 N/mm<sup>2</sup> |
| Answer» D. 81.49 N/mm<sup>2</sup> | |
| 10. |
The term “Tenacity” means_____$ |
| A. | Working stress |
| B. | Ultimate stress |
| C. | Bulk modulus |
| D. | Shear modulus |
| Answer» C. Bulk modulus | |
| 11. |
The Poisson’s ratio for concrete is __________$ |
| A. | 0.4 |
| B. | 0.35 |
| C. | 0.12 |
| D. | 0.2 |
| Answer» E. | |
| 12. |
The bending stress in a beam is ______ to bending moment. |
| A. | Less than |
| B. | Directly proportionate |
| C. | More than |
| D. | Equal |
| Answer» C. More than | |
| 13. |
To what radius an Aluminium strip 300 mm wide and 40mm thick can be bent, if the maximum stress in a strip is not to exceed 40 N/mm2. Take young’s modulus for Aluminium is 7×105 N/mm2.$ |
| A. | 45m |
| B. | 52m |
| C. | 35m |
| D. | 65m |
| Answer» D. 65m | |
| 14. |
_________ of a beam is a measure of its resistance against deflection. |
| A. | Strength |
| B. | Stiffness |
| C. | Deflection |
| D. | Slope |
| Answer» C. Deflection | |
| 15. |
What is the section modulus (Z) for a rectangular section? |
| A. | bd<sup>2</sup>/6 |
| B. | a<sup>3</sup>/6 |
| C. | BD<sup>3</sup>-bd<sup>3</sup> |
| D. | D<sup>4</sup>-d<sup>4</sup> |
| Answer» B. a<sup>3</sup>/6 | |