

MCQOPTIONS
Saved Bookmarks
This section includes 5 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. |
Low w/c ratio helps to control sulphate attack. |
A. | True |
B. | False |
Answer» B. False | |
2. |
Fly ash affects the sulphate attack. |
A. | True |
B. | False |
Answer» B. False | |
3. |
What is external sulphates attack? |
A. | Industrial waste water |
B. | Presence of natural gypsum in the aggregates |
C. | Hydraulic cements |
D. | Portland cement might be over-sulphated |
Answer» B. Presence of natural gypsum in the aggregates | |
4. |
What is internal sulphates attack? |
A. | Sulphate are more usually are a result of high-sulphate soils |
B. | Sulphate are more usually are a result of ground water |
C. | Industrial waste water |
D. | Hydraulic cements |
Answer» E. | |
5. |
The breaking up of cohesion in a mass of concrete is called ________ |
A. | Workability |
B. | Segregation |
C. | Bleeding |
D. | Creep |
Answer» C. Bleeding | |