MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Basic Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Gravel is a type of: |
| A. | Rounded aggregate |
| B. | Angular aggregate |
| C. | Flaky aggregate |
| D. | Irregular aggregate |
| Answer» E. | |
| 2. |
What is the symbol used for well graded gravel as per ISC system of classification? |
| A. | WG |
| B. | G |
| C. | GW |
| D. | W |
| Answer» D. W | |
| 3. |
What is the density of undisturbed gravel? |
| A. | 2630-2760 kg/cum |
| B. | 1920-2160 kg/cum |
| C. | 1600 kg/cum |
| D. | 1200 kg/cum |
| Answer» C. 1600 kg/cum | |
| 4. |
In crushing test on coarse aggregates, what size particle is taken as a sample? |
| A. | Passing 12.5mm IS sieve |
| B. | Retained on 10mm IS sieve |
| C. | Passing 10mm and retained on 4.75mm IS sieve |
| D. | Passing 12.5mm and retained on 10mm IS sieve |
| Answer» E. | |
| 5. |
Elongation index of coarse aggregates is calculated using: |
| A. | E=w<sub>1</sub>/w<sub>2</sub> |
| B. | E=w<sub>2</sub>/w<sub>1</sub> |
| C. | E=w<sub>2</sub>-w<sub>1</sub> |
| D. | E=w<sub>2</sub>+w<sub>1</sub> |
| Answer» B. E=w<sub>2</sub>/w<sub>1</sub> | |
| 6. |
Which size coarse aggregate is ideal for use in a concrete mix? |
| A. | Smaller |
| B. | 4.75-10mm |
| C. | Larger |
| D. | 10-20mm |
| Answer» D. 10-20mm | |
| 7. |
Flaky particles have: |
| A. | Small thickness |
| B. | Elongated sides |
| C. | Sharp edges |
| D. | Rounded edges |
| Answer» B. Elongated sides | |
| 8. |
Graded aggregate contains particles of size: |
| A. | Single grade |
| B. | 4.75mm |
| C. | Multi grade |
| D. | <80mm |
| Answer» D. <80mm | |
| 9. |
How much percent of material which passes through a specific sieve is contained in that single-size aggregate? |
| A. | 50-60% |
| B. | 85-100% |
| C. | 70-90% |
| D. | 80-85% |
| Answer» C. 70-90% | |
| 10. |
Coarse aggregates are classified into how many groups? |
| A. | 3 |
| B. | 4 |
| C. | 6 |
| D. | 2 |
| Answer» E. | |