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This section includes 20 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 pitch of spirals is limited to a range of ____________ |
| A. | 40 to 45mm |
| B. | 25 to75mm |
| C. | 15 to 30mm |
| D. | 10 to 30mm |
| Answer» C. 15 to 30mm | |
| 2. |
The pitch of spiral is computed as v |
| A. | S = 4as(Dc – ds)/Dc2 ρs |
| B. | S = 2as(Dc – ds)/Dc2 ρs |
| C. | S = 6as(Dc – ds)/Dc2 ρs |
| D. | S = 10as(Dc – ds)/Dc2 ρs |
| Answer» B. S = 2as(Dc – ds)/Dc2 ρs | |
| 3. |
The Spirals are particularly useful in increasing the ____________ |
| A. | Tensile strength |
| B. | Ductility |
| C. | Strain |
| D. | Stress |
| Answer» C. Strain | |
| 4. |
The Prestressed concrete compression members should have a minimum average effective prestress of not less than? |
| A. | 1.55n/mm2 |
| B. | 1.0n/mm2 |
| C. | 1.15n/mm2 |
| D. | 1.25n/mm2 |
| Answer» B. 1.0n/mm2 | |
| 5. |
The steps involved in design of biaxially loaded column are ____________ |
| A. | 15 |
| B. | 4 |
| C. | 8 |
| D. | 6 |
| Answer» D. 6 | |
| 6. |
The charts proposed by Bennett are useful in dimensioning columns of ____________ |
| A. | L section |
| B. | I section |
| C. | T section |
| D. | Edge section |
| Answer» C. T section | |
| 7. |
The balanced failure develops when there is simultaneous ____________ |
| A. | Tension yielding |
| B. | Compression yielding |
| C. | Flexure yielding |
| D. | Prestress yielding |
| Answer» B. Compression yielding | |
| 8. |
The compression failure mode develops under? |
| A. | Static loading |
| B. | Moment loading |
| C. | Concentric loading |
| D. | Tensile loading |
| Answer» D. Tensile loading | |
| 9. |
The load moment interaction diagrams are more or less similar to ____________ |
| A. | Prestressed columns |
| B. | Reinforced concrete columns |
| C. | Aluminium columns |
| D. | Steel columns |
| Answer» C. Aluminium columns | |
| 10. |
Most compression members, such as long columns and piles are subjected to ____________ |
| A. | Bending moment and cracking forces |
| B. | Bending moment and tension forces |
| C. | Bending moment and axial forces |
| D. | Bending moment and compression forces |
| Answer» D. Bending moment and compression forces | |
| 11. |
THE_PITCH_OF_SPIRAL_IS_COMPUTED_AS:?$ |
| A. | S = 4a<sub>s</sub>(D<sub>c</sub> – d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ρ<sub>s</sub> |
| B. | S = 2a<sub>s</sub>(D<sub>c</sub> – d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ρ<sub>s</sub> |
| C. | S = 6a<sub>s</sub>(D<sub>c</sub> – d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ρ<sub>s</sub> |
| D. | S = 10a<sub>s</sub>(D<sub>c</sub> – d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ρ<sub>s</sub> |
| Answer» B. S = 2a<sub>s</sub>(D<sub>c</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® d<sub>s</sub>)/D<sub>c</sub><sup>2</sup> ‚âà√¨‚àö√ñ<sub>s</sub> | |
| 12. |
The_pitch_of_spirals_is_limited_to_a_range_of:$ |
| A. | 40 to 45mm |
| B. | 25 to75mm |
| C. | 15 to 30mm |
| D. | 10 to 30mm |
| Answer» C. 15 to 30mm | |
| 13. |
The Spirals are particularly useful in increasing the? |
| A. | Tensile strength |
| B. | Ductility |
| C. | Strain |
| D. | Stress |
| Answer» C. Strain | |
| 14. |
The Prestressed concrete compression members should have a minimum average effective prestress of not less than: |
| A. | 1.55n/mm<sup>2</sup> |
| B. | 1.0n/mm<sup>2</sup> |
| C. | 1.15n/mm<sup>2</sup> |
| D. | 1.25n/mm<sup>2</sup> |
| Answer» B. 1.0n/mm<sup>2</sup> | |
| 15. |
The steps involved in design of biaxially loaded column are: |
| A. | 15 |
| B. | 4 |
| C. | 8 |
| D. | 6 |
| Answer» D. 6 | |
| 16. |
The charts proposed by Bennett are useful in dimensioning columns of: |
| A. | L section |
| B. | I section |
| C. | T section |
| D. | Edge section |
| Answer» C. T section | |
| 17. |
The balanced failure develops when there is simultaneous: |
| A. | Tension yielding |
| B. | Compression yielding |
| C. | Flexure yielding |
| D. | Prestress yielding |
| Answer» B. Compression yielding | |
| 18. |
The compression failure mode develops under: |
| A. | Static loading |
| B. | Moment loading |
| C. | Concentric loading |
| D. | Tensile loading |
| Answer» D. Tensile loading | |
| 19. |
The load moment interaction diagrams are more or less similar to: |
| A. | Prestressed columns |
| B. | Reinforced concrete columns |
| C. | Aluminium columns |
| D. | Steel columns |
| Answer» C. Aluminium columns | |
| 20. |
Most compression members, such as long columns and piles are subjected to: |
| A. | Bending moment and cracking forces |
| B. | Bending moment and tension forces |
| C. | Bending moment and axial forces |
| D. | Bending moment and compression forces |
| Answer» D. Bending moment and compression forces | |