MCQOPTIONS
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MCQOPTIONS
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. |
In roadway slabs, construction joints should be formed? |
| A. | Vertical |
| B. | Horizontal |
| C. | Aligned |
| D. | Loaded |
| Answer» B. Horizontal | |
| 2. |
When the work has resumed the surfaces of the concrete previously placed should be cleaned of ____________ |
| A. | Ash |
| B. | Mud |
| C. | Dirt |
| D. | Soil |
| Answer» D. Soil | |
| 3. |
The construction joints should be located at points of ____________ |
| A. | Maximum shear |
| B. | Minimum shear |
| C. | Total shear |
| D. | Average shear |
| Answer» C. Total shear | |
| 4. |
A nano polymer range which meets wider expectations as aesthetics is known as ____________ |
| A. | Refit |
| B. | Break |
| C. | Struck |
| D. | Collapse |
| Answer» B. Break | |
| 5. |
The British and Indian standard codes on prestressed concrete maximum limiting crack for members exposed to aggressive environment is? |
| A. | 0.1mm |
| B. | 0.3mm |
| C. | 0.6mm |
| D. | 0.4mm |
| Answer» B. 0.3mm | |
| 6. |
The width of cracks is influenced by? |
| A. | Hollow stress |
| B. | Linear stress |
| C. | Net stress |
| D. | Shear stress |
| Answer» D. Shear stress | |
| 7. |
The stabilized mean crack spacing acs can be expressed as ____________ |
| A. | C (A1/Ʃ0) |
| B. | C (A1/Ʃ8) |
| C. | C (A1/Ʃ5) |
| D. | C (A1/Ʃ7) |
| Answer» B. C (A1/Ʃ8) | |
| 8. |
The reason for smaller crack widths in slabs under service loads is? |
| A. | H – x is large |
| B. | H + x is small |
| C. | 0 |
| D. | Constant |
| Answer» C. 0 | |
| 9. |
The formula recommended by the British code BS: 8110 – 1985 for the estimation of surface crack width Wcr is? |
| A. | Wcr = 3acrεm / 1+2(acr – Cmin/h-x) |
| B. | Wcr = 3acrεm |
| C. | Wcr = 3acrεm / 1+2(acr + Cmin/h-x) |
| D. | Wcr = 5acrεm |
| Answer» B. Wcr = 3acrεm | |
| 10. |
The width of cracks that developed in prestressed members is governed by how many factors? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 7 |
| Answer» C. 5 | |
| 11. |
IN_ROADWAY_SLABS,_CONSTRUCTION_JOINTS_SHOULD_BE_FORMED:?$ |
| A. | Vertical |
| B. | Horizontal |
| C. | Aligned |
| D. | Loaded |
| Answer» B. Horizontal | |
| 12. |
When the work is resumed the surfaces of the concrete previously placed should be cleaned of? |
| A. | Ash |
| B. | Mud |
| C. | Dirt |
| D. | Soil |
| Answer» D. Soil | |
| 13. |
The construction joints should be located at points of: |
| A. | Maximum shear |
| B. | Minimum shear |
| C. | Total shear |
| D. | Average shear |
| Answer» C. Total shear | |
| 14. |
A nano polymer range which meets wider expectations as aesthetics is known as: |
| A. | Refit |
| B. | Break |
| C. | Struck |
| D. | Collapse |
| Answer» B. Break | |
| 15. |
The British and Indian standard codes on prestressed concrete maximum limiting crack for members exposed to aggressive environment is: |
| A. | 0.1mm |
| B. | 0.3mm |
| C. | 0.6mm |
| D. | 0.4mm |
| Answer» B. 0.3mm | |
| 16. |
The width of cracks is influenced by: |
| A. | Hollow stress |
| B. | Linear stress |
| C. | Net stress |
| D. | Shear stress |
| Answer» D. Shear stress | |
| 17. |
The stabilized mean crack spacing acs can be expressed as: |
| A. | C (A<sub>1</sub>/Ʃ0) |
| B. | C (A<sub>1</sub>/Ʃ8) |
| C. | C (A<sub>1</sub>/Ʃ5) |
| D. | C (A<sub>1</sub>/Ʃ7) |
| Answer» B. C (A<sub>1</sub>/‚Äö√†√ú¬¨¬©8) | |
| 18. |
The reason for smaller crack widths in slabs under service loads is: |
| A. | H – x is large |
| B. | H + x is small |
| C. | 0 |
| D. | Constant |
| Answer» C. 0 | |
| 19. |
The formula recommended by the British code BS: 8110 – 1985 for the estimation of surface crack width Wcr is:$ |
| A. | W<sub>cr</sub> = 3a<sub>cr</sub>ε<sub>m</sub> / 1+2(a<sub>cr</sub> – C<sub>min</sub>/h-x) |
| B. | W<sub>cr</sub> = 3a<sub>cr</sub>ε<sub>m</sub> |
| C. | W<sub>cr</sub> = 3a<sub>cr</sub>ε<sub>m</sub> / 1+2(a<sub>cr</sub> + C<sub>min</sub>/h-x) |
| D. | W<sub>cr</sub> = 5a<sub>cr</sub>ε<sub>m </sub> |
| Answer» B. W<sub>cr</sub> = 3a<sub>cr</sub>‚âà√≠¬¨¬µ<sub>m</sub> | |
| 20. |
The width of cracks that developed in prestressed members is governed by how many factors: |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 7 |
| Answer» C. 5 | |