MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
From the below figure, what does B signify? |
| A. | Drying shrinkage |
| B. | Wetting shrinkage |
| C. | Expansion on re wetting |
| D. | Contraction |
| Answer» D. Contraction | |
| 2. |
From the below figure, what does A signify? |
| A. | Drying shrinkage |
| B. | Wetting shrinkage |
| C. | Expansion on re wetting |
| D. | Contraction |
| Answer» B. Wetting shrinkage | |
| 3. |
However, fall of temperature and carbonation may also cause shrinkage. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Shrinkage in concrete is caused mainly by a loss of water by evaporation or by hydration of cement. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In practice, shrinkage is measured simply as a ____________ |
| A. | Linear strain |
| B. | Linear stress |
| C. | Volumetric strain |
| D. | Volumetric stress |
| Answer» B. Linear stress | |
| 6. |
Reduction in the volume due to shrinkage causes ____________ |
| A. | Low volume |
| B. | Volumetric strain |
| C. | Volumetric stress |
| D. | W/c ratio |
| Answer» C. Volumetric stress | |
| 7. |
How many types of shrinkages, caused due to cooling and carbonation? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 8. |
How many types of shrinkages, caused due to loss of water? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 9. |
Shrinkage is the reduction in the volume of a fresh hardened concrete exposed to ambient temp and humidity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
“However, fall of temperature and carbonation may also cause the shrinkage”. Is this statement true or false?# |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
“Shrinkage in concrete is caused mainly by loss of water by evaporation or by hydration of cement”. Is this statement true or false?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
In practice, shrinkage is measured simply as a |
| A. | Linear strain |
| B. | Linear stress |
| C. | Volumetric strain |
| D. | Volumetric stress |
| Answer» B. Linear stress | |
| 13. |
Volumetric strain is equal to ___________ times the linear strain. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 14. |
Reduction in the volume due to shrinkage causes |
| A. | Low volume |
| B. | Volumetric strain |
| C. | Volumetric stress |
| D. | W/c ratio |
| Answer» C. Volumetric stress | |
| 15. |
“Shrinkage is the reduction in the volume of a fresh hardened concrete exposed to ambient temp and humidity”. Is this statement true or false? |
| A. | True |
| B. | False |
| Answer» B. False | |