MCQOPTIONS
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MCQOPTIONS
This section includes 17 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. |
Circumferential stress is same as of _________ |
| A. | Hoop stress |
| B. | Longitudinal stress |
| C. | Transverse stress |
| D. | Phreatic stress |
| Answer» B. Longitudinal stress | |
| 2. |
Maximum shear stress in thin cylindrical shell be ___________ |
| A. | pr/2t |
| B. | pr/3t |
| C. | pr/4t |
| D. | pr/ 5t |
| Answer» D. pr/ 5t | |
| 3. |
A steel beam is 200 mm wide and 300 mm deep. The beam is simply supported and carries a concentrated load w. If the maximum stress are 2 N/mm2. What will be the corresponding load? |
| A. | 50 kN |
| B. | 80 kN |
| C. | 40 kN |
| D. | 85 kN |
| Answer» C. 40 kN | |
| 4. |
For circular section, the maximum shear stress is equal to ____________ times of average shear stress. |
| A. | 2/3 |
| B. | 3/2 |
| C. | 4/3 |
| D. | 3/4 |
| Answer» D. 3/4 | |
| 5. |
A round Steel rod of 100 mm diameter is bent into an arc of radius 100m. What is the maximum stress in the rod? Take E = 2×105 N/mm2. |
| A. | 150 N/mm2 |
| B. | 200 N/mm2 |
| C. | 100 N/mm2 |
| D. | 300 N/mm2 |
| Answer» D. 300 N/mm2 | |
| 6. |
The maximum shear stress is ______ times the average shear stress [For rectangular beams]. |
| A. | 2.5 |
| B. | 3 |
| C. | 1.2 |
| D. | 1.5 |
| Answer» E. | |
| 7. |
Determine the shear stress at the level of neutral axis, if a beam has a triangle cross section having base “b” and altitude “h”. Let the shear force be subjected is F. |
| A. | 3F/8bh |
| B. | 4F/3bh |
| C. | 8F/3bh |
| D. | 3F/6bh |
| Answer» D. 3F/6bh | |
| 8. |
MAXIMUM_SHEAR_STRESS_IN_THIN_CYLINDRICAL_SHELL_BE____________?$ |
| A. | pr/2t |
| B. | pr/3t |
| C. | pr/4t |
| D. | pr/ 5t |
| Answer» D. pr/ 5t | |
| 9. |
Circumferential_stress_is_same_as_of__________$ |
| A. | Hoop stress |
| B. | Longitudinal stress |
| C. | Transverse stress |
| D. | Phreatic stress |
| Answer» B. Longitudinal stress | |
| 10. |
A steel beam is 200 mm wide and 300 mm deep. The beam is simply supported and carries a concentrated load w. If the maximum stress are 2 N/mm2. What will be the corresponding load? |
| A. | 50 kN |
| B. | 80 kN |
| C. | 40 kN |
| D. | 85 kN |
| Answer» C. 40 kN | |
| 11. |
For circular section, the maximum shear stress is equal to ____ times of average shear stress. |
| A. | 2/3 |
| B. | 3/2 |
| C. | 4/3 |
| D. | 3/4 |
| Answer» D. 3/4 | |
| 12. |
A round Steel rod of 100 mm diameter is bent into an arc of radius 100m. What is the maximum stress in the rod? Take E = 2√ó105 N/mm2.$ |
| A. | 150 N/mm<sup>2</sup> |
| B. | 200 N/mm<sup>2</sup> |
| C. | 100 N/mm<sup>2</sup> |
| D. | 300 N/mm<sup>2</sup> |
| Answer» D. 300 N/mm<sup>2</sup> | |
| 13. |
Shear stress distribution over rectangular section will be _________ |
| A. | parabolic |
| B. | elliptical |
| C. | triangular |
| D. | trapezoidal |
| Answer» B. elliptical | |
| 14. |
Shear stress in a beam is zero at ______ |
| A. | Neutral axis |
| B. | Extreme fibres |
| C. | Cross section |
| D. | Junctions |
| Answer» C. Cross section | |
| 15. |
The maximum shear stress is______ times the average shear stress [For rectangular beams]. |
| A. | 2.5 |
| B. | 3 |
| C. | 1.2 |
| D. | 1.5 |
| Answer» E. | |
| 16. |
Determine the shear stress at the level of neutral axis, if a beam has a triangle cross section having base “b” and altitude “h”. Let the shear force be subjected is F.$ |
| A. | 3F/8bh |
| B. | 4F/3bh |
| C. | 8F/3bh |
| D. | 3F/6bh |
| Answer» D. 3F/6bh | |
| 17. |
At ________ the shearing stress in a beam are maximum. |
| A. | Extreme fibres |
| B. | Modulus of section |
| C. | Neutral axis |
| D. | Along the cross-sectional area |
| Answer» D. Along the cross-sectional area | |