

MCQOPTIONS
Saved Bookmarks
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 | |