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. |
The cross section of beam is combination of ___________ |
| A. | Direct stresses and Bending stresses |
| B. | Principal stresses and Shear stresses |
| C. | Anchorage and Tension stresses |
| D. | Flexural and Rigidity stresses |
| Answer» B. Principal stresses and Shear stresses | |
| 2. |
In case of eccentric prestressing force the support force Fsup is ___________ |
| A. | Fsup = p/a(1+eyb/i2) |
| B. | Fsup = p/a(1+eyb/i2) |
| C. | Fsup = p/a |
| D. | Fsup = p/a-eb |
| Answer» C. Fsup = p/a | |
| 3. |
The uniform prestress in a concrete member subjected to concentric prestressing is ___________ |
| A. | P/e |
| B. | P/s |
| C. | P/t |
| D. | P/a |
| Answer» E. | |
| 4. |
The stresses due to prestressing are referred as ___________ |
| A. | Combined stresses |
| B. | Bending stresses |
| C. | Anchoring stresses |
| D. | Tensioning stresses |
| Answer» B. Bending stresses | |
| 5. |
The tensile stresses when do not exceed the limit of modulus then change in loading of member results in ___________ |
| A. | Change of bending moment |
| B. | Change of stress |
| C. | Change in shear |
| D. | Change in rupture |
| Answer» C. Change in shear | |
| 6. |
The_cross_section_of_beam_is_combination_of:$ |
| A. | Direct stresses and Bending stresses |
| B. | Principal stresses and Shear stresses |
| C. | Anchorage and Tension stresses |
| D. | Flexural and Rigidity stresses |
| Answer» B. Principal stresses and Shear stresses | |
| 7. |
In case of eccentric prestressing force the support force Fsup is: |
| A. | F<sub>sup</sub> = p/a(1+ey<sub>b/i</sub><sup>2</sup>) |
| B. | F<sub>sup</sub> = p/a(1+ey<sub>b/i</sub><sup>2</sup>) |
| C. | F<sub>sup</sub> = p/a |
| D. | F<sub>sup</sub> = p/a-e<sub>b</sub> |
| Answer» C. F<sub>sup</sub> = p/a | |
| 8. |
The uniform prestress in a concrete member subjected to concentric prestressing is: |
| A. | P/e |
| B. | P/s |
| C. | P/t |
| D. | P/a |
| Answer» E. | |
| 9. |
Which of the following notations are used for evaluating the relationship for combined stresses? |
| A. | P, E, M, A, I |
| B. | P, σ, M, g, I |
| C. | P, W, M, π, L |
| D. | P, θ, M, Z, L |
| Answer» B. P, ‚âà√¨‚àö√¢, M, g, I | |
| 10. |
The stresses due to prestressing are referred as: |
| A. | Combined stresses |
| B. | Bending stresses |
| C. | Anchoring stresses |
| D. | Tensioning stresses |
| Answer» B. Bending stresses | |
| 11. |
Which conditions are negligible at the stage of visible cracking on concrete? |
| A. | Bending conditions |
| B. | Joint conditions |
| C. | Zone conditions |
| D. | Loading conditions |
| Answer» E. | |
| 12. |
The tensile stresses when do not exceed the limit of modulus then change in loading of member results in: |
| A. | Change of bending moment |
| B. | Change of stress |
| C. | Change in shear |
| D. | Change in rupture |
| Answer» C. Change in shear | |
| 13. |
The analysis of stresses developed in prestressed concrete structural elements is based on how many assumptions? |
| A. | 5 |
| B. | 4 |
| C. | 3 |
| D. | 2 |
| Answer» D. 2 | |