MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Approximate ratio of direct tensile strength to flexural strength is ____________ |
| A. | 0.25 |
| B. | .33 |
| C. | .5 |
| D. | .05 |
| Answer» D. .05 | |
| 2. |
Approximate ratio of strength of the 30 cm cube to that of 15 cm cube is _____________ |
| A. | 1.1 |
| B. | 1 |
| C. | .9 |
| D. | .75 |
| Answer» D. .75 | |
| 3. |
Approximate ratio of the strength of the cement conc of 7 days to that of 28 days (2/3)? |
| A. | 0.75 |
| B. | .85 |
| C. | 1 |
| D. | 1.15 |
| Answer» B. .85 | |
| 4. |
As per & 5456:200 Young’s modulus of concrete is _______________ |
| A. | 1000 fck |
| B. | 5000 fck2 |
| C. | 5700 fck |
| D. | 150 fck |
| Answer» C. 5700 fck | |
| 5. |
Strength of concrete is ___________ |
| A. | \(f_{ck} = K(\frac{c}{C+W+A})^2\) |
| B. | \(f_{ck} = K(\frac{C+A}{C+W+A})^2\) |
| C. | \(f_{ck} = K(\frac{C+W}{C+W+A})^2\) |
| D. | \(f_{ck} = K(\frac{C+W+A}{C+W+A})^2\) |
| Answer» B. \(f_{ck} = K(\frac{C+A}{C+W+A})^2\) | |
| 6. |
APPROXIMATE_RATIO_OF_STRENGTH_OF_THE_30_CM_CUBE_TO_THAT_OF_15_CM_CUBE_IS______________?$ |
| A. | 1.1 |
| B. | 1 |
| C. | .9 |
| D. | .75 |
| Answer» D. .75 | |
| 7. |
Approximate_ratio_of_direct_tensile_strength_to_flexural_strength_is_____________$ |
| A. | .25 |
| B. | .33 |
| C. | .5 |
| D. | .05 |
| Answer» D. .05 | |
| 8. |
Approximate ratio of the strength of the cement conc of 7 days to that of 28 days (2/3? |
| A. | .75 |
| B. | .85 |
| C. | 1 |
| D. | 1.15 |
| Answer» B. .85 | |
| 9. |
Strength of concrete increase with _________ |
| A. | Increase with w/c ratio |
| B. | Increase in fineness of cement |
| C. | Decrease in size of aggregates |
| D. | Decrease in curing time |
| Answer» C. Decrease in size of aggregates | |
| 10. |
Strength of concrete increase with _____________ |
| A. | Increase with w/c ratio |
| B. | Decrease with w/c ratio |
| C. | Decrease in size of aggregates |
| D. | Decrease in curing time |
| Answer» C. Decrease in size of aggregates | |
| 11. |
Strength of concrete is proportional to ______________ |
| A. | Sand content |
| B. | Water cement ratio |
| C. | Aggregate ratio |
| D. | Cement water ratio |
| Answer» E. | |
| 12. |
As per & 5456:200 Young’s modulus of concrete is _______________$ |
| A. | 1000 f<sub>ck</sub> |
| B. | 5000 f<sub>ck</sub><sup>2</sup> |
| C. | 5700 f<sub>ck</sub> |
| D. | 150 f<sub>ck</sub> |
| Answer» C. 5700 f<sub>ck</sub> | |
| 13. |
Strength of concrete show an increase with _________ |
| A. | Decrease in rate of loading |
| B. | Increase in rate of loading |
| C. | Unaffected by rate of loading |
| D. | Depends on application of load |
| Answer» C. Unaffected by rate of loading | |
| 14. |
Durability of concrete is proportional to _________ |
| A. | Sand content |
| B. | Water cement ratio |
| C. | Aggregate ratio |
| D. | Cement aggregate ratio |
| Answer» E. | |