MCQOPTIONS
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MCQOPTIONS
This section includes 15 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 concept of load balancing is useful in selecting the___________ |
| A. | Anchorage profile |
| B. | Bending profile |
| C. | Tendon profile |
| D. | Jack profile |
| Answer» D. Jack profile | |
| 2. |
If the beam supports uniformly distributed load the tendon follows. |
| A. | Straight |
| B. | Ellipse profile |
| C. | Random profile |
| D. | Parabolic profile |
| Answer» E. | |
| 3. |
When the beam supports two concentrated loads, the cable follows which profile? |
| A. | Straight |
| B. | Bent |
| C. | Curved |
| D. | Trapezoidal |
| Answer» E. | |
| 4. |
The shape of the bending moment diagram results from ___________ |
| A. | Tendon profile |
| B. | External loads |
| C. | Cable profile |
| D. | Compression |
| Answer» C. Cable profile | |
| 5. |
A rectangular beam of 300mm wide and 800mm deep supports two concentrated loads of 20kn each at a span of 9m. Calculate the prestressing force and suggest a suitable cable profile if the eccentricity is 50mm? |
| A. | 600kn |
| B. | 500kn |
| C. | 200kn |
| D. | 800kn |
| Answer» B. 500kn | |
| 6. |
A rectangular prestressed beam 150 mm wide and 300mm deep is used over a effective span of 10m and the cable with zero eccentricity at the supports, linearly varying to 50mm at the centre carries an effective prestressing force of 500kn(Z=225×104). Evaluate stress due to prestressing? |
| A. | 22.2n/mm2 |
| B. | 42.2n/mm2 |
| C. | 32.2n/mm2 |
| D. | 52.2n/mm2 |
| Answer» B. 42.2n/mm2 | |
| 7. |
The moment profile for given loading is? |
| A. | W=Pe/aL |
| B. | W=Pe/4aL |
| C. | W=Pe/16aL |
| D. | W=Pe/24aL |
| Answer» B. W=Pe/4aL | |
| 8. |
The cable provided for the given loading is? |
| A. | ML2/8EI |
| B. | WL3/48EI |
| C. | 5WL4/384EI |
| D. | 12WL4/384EI |
| Answer» D. 12WL4/384EI | |
| 9. |
The equivalent moment of given loading is? |
| A. | Pe |
| B. | 4Pe/L |
| C. | Pe/L2 |
| D. | Pe/aL |
| Answer» B. 4Pe/L | |
| 10. |
WHEN_THE_BEAM_SUPPORTS_TWO_CONCENTRATED_LOADS,_THE_CABLE_FOLLOWS_WHICH_PROFILE??$ |
| A. | Straight |
| B. | Bent |
| C. | Curved |
| D. | Trapezoidal |
| Answer» E. | |
| 11. |
The concept of load balancing is useful in selecting the:$ |
| A. | Anchorage profile |
| B. | Bending profile |
| C. | Tendon profile |
| D. | Jack profile |
| Answer» D. Jack profile | |
| 12. |
If_the_beam_supports_uniformly_distributed_load_the_tendon_follows:$ |
| A. | Straight |
| B. | Ellipse profile |
| C. | Random profile |
| D. | Parabolic profile |
| Answer» E. | |
| 13. |
A beam of symmetrical I-section spanning 8m has a flange width of 250mm and flange thickness of 80mm, overall depth is 450mm, eccentricity of 150mm, g = 1.57kn/m, q = 2.50kn/m. Determine effective force? |
| A. | 250 |
| B. | 217 |
| C. | 320 |
| D. | 200 |
| Answer» C. 320 | |
| 14. |
A rectangular beam of 300mm wide and 800mm deep supports two concentrated loads of 20kn each at a span of 9m.Calculate the prestressing force and suggest a suitable cable profile if the eccentricity is 50mm? |
| A. | 600kn |
| B. | 500kn |
| C. | 200kn |
| D. | 800kn |
| Answer» B. 500kn | |
| 15. |
A rectangular prestressed beam 150 mm wide and 300mm deep is used over a effective span of 10m and the cable with zero eccentricity at the supports, linearly varying to 50mm at the centre carries an effective prestressing force of 500kn(Z=225√ó104). Evaluate stress due to prestressing?$ |
| A. | 22.2n/mm<sup>2</sup> |
| B. | 42.2n/mm<sup>2</sup> |
| C. | 32.2n/mm<sup>2</sup> |
| D. | 52.2n/mm<sup>2</sup> |
| Answer» B. 42.2n/mm<sup>2</sup> | |