MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
Aggregate abrasion value is determined by__________ |
| A. | Aggregates crushing strength |
| B. | Los Angeles abrasion test |
| C. | Aggregates Impact value test |
| D. | Ten percent fine test |
| Answer» C. Aggregates Impact value test | |
| 2. |
The ratio of the mass of the aggregate dried in an oven at ___________ for 24 hours to the mass of the water occupying a volume equal to that of solid. |
| A. | 100-110<sup>o</sup>C |
| B. | 150-180<sup>o</sup>C |
| C. | 100<sup>o</sup>C |
| D. | 1500<sup>o</sup>C |
| Answer» B. 150-180<sup>o</sup>C | |
| 3. |
The average specific gravity of natural aggregate is? |
| A. | 2.7 |
| B. | 3 |
| C. | 1.5 |
| D. | 1 |
| Answer» B. 3 | |
| 4. |
S.I. unit of bulk density is? |
| A. | kg/l |
| B. | g/ml |
| C. | kg/ml |
| D. | g/l |
| Answer» B. g/ml | |
| 5. |
The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be _________ |
| A. | Between 150 to 300 kg/cm<sup>2</sup> |
| B. | Between 350 to 600 kg/cm<sup>2</sup> |
| C. | Between 150 to 400 kg/cm<sup>2</sup> |
| D. | Less than 200 kg/cm<sup>2</sup> |
| Answer» E. | |
| 6. |
Pick up the most appropriate statement from the following. |
| A. | Bulk density of normal weight aggregate is 1600 kg/m<sup>3</sup> |
| B. | Bulk density of normal weight aggregate is 2000 kg/m<sup>3</sup> |
| C. | Bulk density of normal weight aggregate is 1000 kg/m<sup>3</sup> |
| D. | Bulk density of normal weight aggregate is 1250 kg/m<sup>3</sup> |
| Answer» B. Bulk density of normal weight aggregate is 2000 kg/m<sup>3</sup> | |