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This section includes 7 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. |
It opens the area of improvement for quality construction rationally based on the documents from ___________ projects. |
A. | Previous |
B. | Next |
C. | Later |
D. | Future |
Answer» B. Next | |
2. |
During compression test of cast iron, the failure occurs i.e. the crack appears along the __________ |
A. | Diagonal |
B. | Surface parallel to load applied |
C. | Surface perpendicular to load applied |
D. | Lateral |
Answer» B. Surface parallel to load applied | |
3. |
The property of a material that resists penetration or indentation by means of abrasion or scratching is known as ____________ |
A. | Strength |
B. | Hardness |
C. | Stiffness |
D. | Toughness |
Answer» C. Stiffness | |
4. |
What is the content of Al2O3 in fly ash? |
A. | 30-60% |
B. | 15-30% |
C. | Up to 30% |
D. | 1-7% |
Answer» C. Up to 30% | |
5. |
Content of SiO2 in silica fume? |
A. | 52% |
B. | 35% |
C. | 21.9% |
D. | 85-97% |
Answer» E. | |
6. |
Silica fume is _________ |
A. | Less reactive |
B. | Neutral |
C. | More reactive |
D. | Absent in concrete |
Answer» D. Absent in concrete | |
7. |
Generally what is the w/c ratio? |
A. | .25 |
B. | .5 |
C. | .75 |
D. | 1 |
Answer» C. .75 | |