MCQOPTIONS
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MCQOPTIONS
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. |
What is the main function of set retarders? |
| A. | Increase curing rate |
| B. | Slows curing rate |
| C. | Improves workability at low w/c ratio |
| D. | Speeds up start of finishing operations |
| Answer» C. Improves workability at low w/c ratio | |
| 2. |
Mid-range water reducers result in at least _________ %. |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» E. | |
| 3. |
Which of the following option doesn t come in mineral admixtures? |
| A. | Set retarders |
| B. | Blast Furnace Slag |
| C. | Flyash |
| D. | Silica Fume |
| Answer» B. Blast Furnace Slag | |
| 4. |
Which of the following option doesn t come in chemical admixtures? |
| A. | Plasticizers |
| B. | Pozzolanic |
| C. | Super plasticizer |
| D. | Accelerators |
| Answer» C. Super plasticizer | |
| 5. |
Which of the following statement is incorrect about the function of admixtures? |
| A. | To accelerate the initial set of concrete, to speed up the rate of development of strength at early ages |
| B. | To enhance the workability |
| C. | To reduce the segregation in grout and concrete mixers |
| D. | To retard the initial set, to keep concrete workable for a shorter time for placement |
| Answer» E. | |