MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The bulk density of aggregates, depends upon |
| A. | Shape |
| B. | Grading |
| C. | Compaction |
| D. | All the above |
| Answer» E. | |
| 2. |
The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of |
| A. | 0.367 xu |
| B. | 0.416 xu |
| C. | 0.446 xu |
| D. | 0.573 xu |
| Answer» C. 0.446 xu | |
| 3. |
Curing of pavements, floors, roofs and slabs, is done by |
| A. | Membrane method |
| B. | Ponding method |
| C. | Covering surface with bags |
| D. | Sprinkling water method |
| Answer» C. Covering surface with bags | |
| 4. |
For construction of structures in sea water, the cement generally preferred to, is |
| A. | Portland-pozzolana cement |
| B. | Quick setting cement |
| C. | Low heat Portland cement |
| D. | Rapid hardening cement |
| Answer» B. Quick setting cement | |
| 5. |
In a counterfort retaining wall, the main reinforcement is provided on the (i) Bottom face in front counterfort (ii) Inclined face in front counterfort (iii) Bottom face in back counterfort (iv) Inclined face in back counterfort The correct answer is |
| A. | (i) and (ii), |
| B. | (ii) and (iii) |
| C. | (i) and (iv) |
| D. | (iii) and (iv) |
| Answer» D. (iii) and (iv) | |
| 6. |
Addition of pozzolana to ordinary port land cement, causes |
| A. | Decrease in early strength |
| B. | Reduction in chemical action with sulphates |
| C. | Increase in shrinkage |
| D. | All the above |
| Answer» E. | |
| 7. |
For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine's theory |
| A. | Is always less than 1 |
| B. | Is always greater than 1 |
| C. | Can be more than 1 |
| D. | Can be less than 1 |
| Answer» B. Is always greater than 1 | |
| 8. |
For road pavements, the cement generally used, is |
| A. | Ordinary Portland cement |
| B. | Rapid hardening cement |
| C. | Low heat cement |
| D. | Blast furnace slag cement |
| Answer» C. Low heat cement | |
| 9. |
Critical section for shear in case of flat slabs is at a distance of |
| A. | Effective depth of slab from periphery of column/drop panel |
| B. | d/2 from periphery of column/capital/ drop panel |
| C. | At the drop panel of slab |
| D. | At the periphery of column |
| Answer» C. At the drop panel of slab | |
| 10. |
Workability of concrete is directly proportional to |
| A. | Aggregate cement ratio |
| B. | Time of transit |
| C. | Grading of the aggregate |
| D. | All of above |
| Answer» D. All of above | |
| 11. |
For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be |
| A. | 0.75 - 0.80 |
| B. | 0.80 - 0.85 |
| C. | 0.85 - 0.92 |
| D. | Above 0.92 |
| Answer» E. | |
| 12. |
Due to circumferential action of the spiral in a spirally reinforced column |
| A. | Capacity of column is decreased |
| B. | Ductility of column reduces |
| C. | Capacity of column is decreased but ductility of column increases |
| D. | Both the capacity of column and ductility of column increase |
| Answer» E. | |
| 13. |
To minimise the effect of differential settlement, the area of a footing should be designed for |
| A. | Dead load only |
| B. | Dead load + live load |
| C. | Dead load + fraction of live load |
| D. | Live load + fraction of dead load |
| Answer» D. Live load + fraction of dead load | |
| 14. |
The purpose of reinforcement in pre-stressed concrete is |
| A. | To provide adequate bond stress |
| B. | To resist tensile stresses |
| C. | To impart initial compressive stress in concrete |
| D. | All of the above |
| Answer» D. All of the above | |
| 15. |
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to |
| A. | Deflect downward |
| B. | Deflect upward |
| C. | Deflect downward or upward |
| D. | None of the above |
| Answer» B. Deflect upward | |
| 16. |
In counterfort retaining walls, the main reinforcement in the stem at support is |
| A. | Not provided |
| B. | Provided only on inner face |
| C. | Provided only on front face |
| D. | Provided both on inner and front faces |
| Answer» C. Provided only on front face | |
| 17. |
The diameter of ties in a column should be |
| A. | More than or equal to one fourth of diameter of main bar |
| B. | More than or equal to 5 mm |
| C. | More than 5 mm but less than one-fourth of diameter of main bar |
| D. | More than 5 mm and also more than one-fourth of diameter of main bar |
| Answer» E. | |
| 18. |
When shear stress exceeds the permissible limit in a slab, then it is reduced by |
| A. | Increasing the depth |
| B. | Providing shear reinforcement |
| C. | Using high strength steel |
| D. | Using thinner bars but more in number |
| Answer» B. Providing shear reinforcement | |
| 19. |
According to IS: 4561978, the column or the strut is the member whose effective length is greater than |
| A. | The least lateral dimension |
| B. | 2 times the least lateral dimension |
| C. | 3 times the least lateral dimension |
| D. | 4 times the least lateral dimension |
| Answer» D. 4 times the least lateral dimension | |
| 20. |
Diagonal tension in a beam |
| A. | Is maximum at neutral axis |
| B. | Decreases below the neutral axis and increases above the neutral axis |
| C. | Increases below the neutral axis and decreases above the neutral axis |
| D. | Remains same |
| Answer» D. Remains same | |
| 21. |
Bulking of sand is maximum if moisture content is about |
| A. | 2 % |
| B. | 4 % |
| C. | 6 % |
| D. | 10 % |
| Answer» C. 6 % | |
| 22. |
The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is |
| A. | Not needed |
| B. | Provided equally on inner and front faces |
| C. | Provided more on inner face than on front face |
| D. | Provided more on front face than on inner face |
| Answer» E. | |