MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Prestressed Concrete Structures knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A time dependent deformation of concrete is termed as ____________ |
| A. | Shrinkage |
| B. | Creep |
| C. | Final stress |
| D. | Strain |
| Answer» C. Final stress | |
| 2. |
The term iw in a section of I beam is termed as ____________ |
| A. | Thickness of web |
| B. | Depth of web |
| C. | Self weight of I section |
| D. | Total weight of I section |
| Answer» B. Depth of web | |
| 3. |
The creep coefficient of the concrete varies from ____________ |
| A. | 1 to 6 |
| B. | 1 to 3 |
| C. | 1 to 9 |
| D. | 1 to 12 |
| Answer» C. 1 to 9 | |
| 4. |
The magnitude of maximum tensile stresses found to occur at the centroid of end face when x is zero is ____________ |
| A. | 10M/b<sub>w</sub>hL<sub>t</sub> |
| B. | 10M/b<sub>w</sub>hL<sub>t</sub> |
| C. | 20M/b<sub>w</sub>hL<sub>t</sub> |
| D. | 30M/b<sub>w</sub>hL<sub>t</sub> |
| Answer» B. 10M/b<sub>w</sub>hL<sub>t</sub> | |
| 5. |
The transverse tensile stress distribution in transfer zones can be computed by an expression of the type? |
| A. | 10M/b<sub>w</sub>hL<sub>t</sub> (1-x/L<sub>t</sub>) e<sup>-3.5xL<sub>t</sub> </sup> |
| B. | 10M/b<sub>w</sub>hL<sub>t</sub> (1-x/L<sub>t</sub>) |
| C. | 10M/b<sub>w</sub>hL<sub>t</sub> |
| D. | M/b<sub>w</sub>hL<sub>t</sub> |
| Answer» C. 10M/b<sub>w</sub>hL<sub>t</sub> | |
| 6. |
The tensile stress is determined by the empirical equation of the type? |
| A. | f<sub>v</sub> = KM/bwd<sup>2</sup> |
| B. | KR/b<sub>w</sub>d<sup>2</sup> |
| C. | KE/b<sub>w</sub>d<sup>2</sup> |
| D. | KW/b<sub>w</sub>d<sup>2</sup> |
| Answer» B. KR/b<sub>w</sub>d<sup>2</sup> | |
| 7. |
The problem of end zone cracking in pretensioned I beams has been experimentally investigated by ____________ |
| A. | Warren Hastings |
| B. | Albert |
| C. | Mattock |
| D. | Thindle |
| Answer» D. Thindle | |
| 8. |
The method of distributing tendons at the ends has a greater influence on ____________ |
| A. | Mid zone cracking |
| B. | End zone cracking |
| C. | Equivalent cracking |
| D. | Shaft cracking |
| Answer» C. Equivalent cracking | |
| 9. |
The transverse tensile stresses are found to be maximum near ____________ |
| A. | Centroidal section |
| B. | Mid span section |
| C. | End zone section |
| D. | Shaft cracking |
| Answer» C. End zone section | |
| 10. |
The transverse tensile stress in transmission zone is developed due to concentration of ____________ |
| A. | Anchorages |
| B. | Tendons |
| C. | Jacks |
| D. | Prestressing |
| Answer» C. Jacks | |