MCQOPTIONS
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This section includes 4 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. |
In order to prevent this rapid reaction _______ is added to the clinker. |
| A. | C<sub>4</sub>AF |
| B. | Gypsum |
| C. | Water |
| D. | Extra cement |
| Answer» C. Water | |
| 2. |
Which compound is liberates lower heat? |
| A. | C<sub>2</sub>S |
| B. | C<sub>3</sub>S |
| C. | C<sub>3</sub>A |
| D. | C<sub>4</sub>AF |
| Answer» B. C<sub>3</sub>S | |
| 3. |
The development of first 28 days strength is on account of the hydration of __________ |
| A. | C<sub>2</sub>S |
| B. | C<sub>3</sub>S |
| C. | C<sub>3</sub>A |
| D. | C<sub>4</sub>AF |
| Answer» C. C<sub>3</sub>A | |
| 4. |
As the hydration proceeds the deposits of hydrated products on the original cement grains makes the diffusion of water to unhydrated nucleus ________ |
| A. | Easy |
| B. | Very difficult |
| C. | Very easy |
| D. | Average |
| Answer» C. Very easy | |