MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Design ultimate horizontal shear stress with nominal links and the contact surface are as cast (assume τ = 1.2n/mm2)? |
| A. | 15kn |
| B. | 23kn |
| C. | 12kn |
| D. | 24kn |
| Answer» E. | |
| 2. |
If the surface is rough tamped and without links to withstand a horizontal shear stress of 0.6n/mm2 and assuming the moduli of elasticity of precast and insitu cast concrete to be equal the centroid of the composite section is located 110mm from the top of the slab, second moment area of composite section is 2487×105mm4, calculate ultimate shearing resistance? |
| A. | 14 |
| B. | 12 |
| C. | 18 |
| D. | 21 |
| Answer» C. 18 | |
| 3. |
The ties consisting of single bars and multiple leg stirrups should have a spacing not exceeding ____________ |
| A. | 600mm |
| B. | 400mm |
| C. | 1100mm |
| D. | 900mm |
| Answer» B. 400mm | |
| 4. |
The design of shear connections depends upon the strength of ____________ |
| A. | Ex situ cast concrete |
| B. | In situ cast concrete |
| C. | Tampered concrete |
| D. | Prestressed concrete |
| Answer» C. Tampered concrete | |
| 5. |
The effective bonding between the two parts of composite beams is developed by _______________ |
| A. | Smoothing |
| B. | Roughening |
| C. | Painting |
| D. | Detacahing |
| Answer» C. Painting | |
| 6. |
Design ultimate horizontal shear stress with nominal links and the contact surface are as cast (assume τ = 1.2n/mm2)?$ |
| A. | 15kn |
| B. | 23kn |
| C. | 12kn |
| D. | 24kn |
| Answer» E. | |
| 7. |
If the surface is rough tamped and without links to withstand a horizontal shear stress of 0.6n/mm2 and assuming the moduli of elasticity of precast and insitu cast concrete to be equal the centroid of the composite section is located 110mm from the top of the slab, second moment area of composite section is 2487√ó105mm4, calculate ultimate shearing resistance?$ |
| A. | 14 |
| B. | 12 |
| C. | 18 |
| D. | 21 |
| Answer» C. 18 | |
| 8. |
The ties consisting of single bars and multiple leg stirrups should have a spacing not exceeding: |
| A. | 600mm |
| B. | 400mm |
| C. | 1100mm |
| D. | 900mm |
| Answer» B. 400mm | |
| 9. |
When ties are not provided the permissible values of the horizontal shear stress is: |
| A. | 0.6n/mm<sup>2</sup> |
| B. | 4.6n/mm<sup>2</sup> |
| C. | 1.6n/mm<sup>2</sup> |
| D. | 8.6n/mm<sup>2</sup> |
| Answer» B. 4.6n/mm<sup>2</sup> | |
| 10. |
The design of shear connections depends upon the strength of: |
| A. | Ex situ cast concrete |
| B. | In situ cast concrete |
| C. | Tampered concrete |
| D. | Prestressed concrete |
| Answer» C. Tampered concrete | |
| 11. |
The effective bonding between the two parts of composite beams is developed by: |
| A. | Smoothing |
| B. | Roughening |
| C. | Painting |
| D. | Detacahing |
| Answer» C. Painting | |
| 12. |
If the compression zone contains part of precast element, the computation is done by considering: |
| A. | Grades of concrete |
| B. | Cross section |
| C. | Durability |
| D. | Strength characteristics |
| Answer» C. Durability | |
| 13. |
In case of composite sections, the percentage of tensioned reinforcement is less than: |
| A. | Simple beams |
| B. | Complex beams |
| C. | Tee beams |
| D. | Edge beams |
| Answer» B. Complex beams | |