MCQOPTIONS
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MCQOPTIONS
This section includes 18 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. |
The design strength assumed to act to sustain bursting tension is ____________ |
| A. | 0.56fy |
| B. | 0.49fy |
| C. | 0.87fy |
| D. | 0.12fy |
| Answer» D. 0.12fy | |
| 2. |
In case of large bridge girders with massive end block, for computation of bursting tension end block is divided into ____________ |
| A. | Axially |
| B. | Rectangular |
| C. | Symmetrically |
| D. | Rounded |
| Answer» D. Rounded | |
| 3. |
Estimate the position and magnitude of the maximum transverse tensile stress and bursting tension for the end block with a concentric anchor force of 100kn using Rowe’s method? |
| A. | 26.5n/mm2 |
| B. | 26.5n/mm2 |
| C. | 26.5n/mm2 |
| D. | 26.5n/mm2 |
| Answer» E. | |
| 4. |
The creating bursting tension is given by? |
| A. | Fbst(3-(fv/fv,max)2) |
| B. | Fbst(3-(fv/fv,max)2) |
| C. | Fbst(3-(fv/fv,max)2) |
| D. | Fbst(3-(fv/fv,max)2) |
| Answer» D. Fbst(3-(fv/fv,max)2) | |
| 5. |
The equation for maximum tensile stress, fmax is given as? |
| A. | fc(0.98-0.825(ypo/yo)) |
| B. | fc(0.98-0.825(ypo/yo)) |
| C. | fc(0.98-0.825(ypo/yo)) |
| D. | fc(0.98-0.825(ypo/yo)) |
| Answer» B. fc(0.98-0.825(ypo/yo)) | |
| 6. |
The Zielinski and Rowe developed empirical relations for computation of ____________ |
| A. | Maximum transverse tensile stress |
| B. | Minimum transverse tensile stress |
| C. | Zero |
| D. | Constant |
| Answer» B. Minimum transverse tensile stress | |
| 7. |
The distribution of transverse stress and ultimate load of the end block is not effected by ____________ |
| A. | Anchorage material |
| B. | Curing concrete |
| C. | Tendons applied |
| D. | Jacking provided |
| Answer» B. Curing concrete | |
| 8. |
The parameters considered for concrete prisms are ____________ |
| A. | Midspans |
| B. | Blocks |
| C. | Cross sectional area |
| D. | End block |
| Answer» D. End block | |
| 9. |
IN_CASE_OF_LARGE_BRIDGE_GIRDERS_WITH_MASSIVE_END_BLOCK,_FOR_COMPUTATION_OF_BURSTING_TENSION_END_BLOCK_IS_DIVIDED_INTO:?$ |
| A. | Axially |
| B. | Rectangular |
| C. | Symmetrically |
| D. | Rounded |
| Answer» D. Rounded | |
| 10. |
The_design_strength_assumed_to_act_to_sustain_bursting_tension_is:$ |
| A. | 0.56f<sub>y</sub> |
| B. | 0.49f<sub>y</sub> |
| C. | 0.87f<sub>y</sub> |
| D. | 0.12f<sub>y</sub> |
| Answer» D. 0.12f<sub>y</sub> | |
| 11. |
The end block and a prestressed beam, 200mm wide and 300mm deep, has two Freyssinet anchorages (100mm diameter) with their centre at 75mm from the top and bottom of the beam. The force transmitted by each anchorage being 200kn, estimate the maximum tensile and bursting tension? |
| A. | 100kn |
| B. | 50kn |
| C. | 150kn |
| D. | 200kn |
| Answer» C. 150kn | |
| 12. |
Estimate the position and magnitude of the maximum transverse tensile stress and bursting tension for the end block with a concentric anchor force of 100kn using Rowe’s method?$ |
| A. | 26.5n/mm<sup>2</sup> |
| B. | 26.5n/mm<sup>2</sup> |
| C. | 26.5n/mm<sup>2</sup> |
| D. | 26.5n/mm<sup>2</sup> |
| Answer» E. | |
| 13. |
The creating bursting tension is given by: |
| A. | F<sub>bst</sub>(3-(f<sub>v</sub>/f<sub>v,max</sub>)<sup>2</sup>) |
| B. | F<sub>bst</sub>(3-(f<sub>v</sub>/f<sub>v,max</sub>)<sup>2</sup>) |
| C. | F<sub>bst</sub>(3-(f<sub>v</sub>/f<sub>v,max</sub>)<sup>2</sup>) |
| D. | F<sub>bst</sub>(3-(f<sub>v</sub>/f<sub>v,max</sub>)<sup>2</sup>) |
| Answer» D. F<sub>bst</sub>(3-(f<sub>v</sub>/f<sub>v,max</sub>)<sup>2</sup>) | |
| 14. |
The equation for maximum tensile stress, fmax is given as: |
| A. | f<sub>c</sub>(0.98-0.825(y<sub>po</sub>/y<sub>o</sub>) |
| B. | f<sub>c</sub>(0.98-0.825(y<sub>po</sub>/y<sub>o</sub>) |
| C. | f<sub>c</sub>(0.98-0.825(y<sub>po</sub>/y<sub>o</sub>) |
| D. | f<sub>c</sub>(0.98-0.825(y<sub>po</sub>/y<sub>o</sub>) |
| Answer» B. f<sub>c</sub>(0.98-0.825(y<sub>po</sub>/y<sub>o</sub>) | |
| 15. |
The Zielinski and Rowe developed empirical relations for computation of: |
| A. | Maximum transverse tensile stress |
| B. | Minimum transverse tensile stress |
| C. | Zero |
| D. | Constant |
| Answer» B. Minimum transverse tensile stress | |
| 16. |
The distribution of transverse stress and ultimate load of the end block is not effected by: |
| A. | Anchorage material |
| B. | Curing concrete |
| C. | Tendons applied |
| D. | Jacking provided |
| Answer» B. Curing concrete | |
| 17. |
The parameters considered for concrete prisms are: |
| A. | Midspans |
| B. | Blocks |
| C. | Cross sectional area |
| D. | End block |
| Answer» D. End block | |
| 18. |
The Zielinski and Rowe conducted experiments on concrete prismatic specimens using the technique? |
| A. | Surface stress |
| B. | Surface strain |
| C. | Surface tension |
| D. | Surface edge |
| Answer» C. Surface tension | |