MCQOPTIONS
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MCQOPTIONS
This section includes 3 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. |
Silica fume is usually added during ____________ |
| A. | Before concrete production at a concrete plant |
| B. | After concrete production at a concrete plant |
| C. | Concrete production at a concrete plant |
| D. | Curing |
| Answer» D. Curing | |
| 2. |
Spherical particles in silica fume has diameter of _______ |
| A. | <1 m |
| B. | >1 m |
| C. | 1 m |
| D. | .1 m |
| Answer» B. >1 m | |
| 3. |
Bulk density of the silica fume varies from ____________ |
| A. | 130-600 kg/m<sup>3</sup> |
| B. | 650 kg/mm<sup>3</sup> |
| C. | 75-150 kg/mm<sup>3</sup> |
| D. | 750 kg/mm<sup>3</sup> |
| Answer» B. 650 kg/mm<sup>3</sup> | |