MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Prestressed Concrete Structures knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the case of horizontal shallow beams, concrete should preferably deposited starting from ____________ |
| A. | Centre of span |
| B. | Edge of span |
| C. | Outer portion of span |
| D. | Inner portion of span |
| Answer» B. Edge of span | |
| 2. |
Each layer should be placed before the preceding batch undergoes the initial set of ____________ |
| A. | Torsion |
| B. | Tension |
| C. | Consolidation |
| D. | Strain |
| Answer» D. Strain | |
| 3. |
In massive structures, concrete should be placed in ____________ |
| A. | Trapezoidal layers |
| B. | Horizontal layers |
| C. | Longitudinal layers |
| D. | Edge layers |
| Answer» C. Longitudinal layers | |
| 4. |
What are the advantages of reducing the w/c ratio? |
| A. | Superior dimensional stability |
| B. | Cost |
| C. | Area |
| D. | Workability |
| Answer» B. Cost | |
| 5. |
The strength of concrete primarily depends upon the ____________ |
| A. | Workability |
| B. | w/c ratio |
| C. | Aggregates ratio |
| D. | Cement content |
| Answer» C. Aggregates ratio | |
| 6. |
For heavily reinforced concrete members the nominal maximum size of aggregates shall be ____________ |
| A. | 10mm |
| B. | 1mm |
| C. | 2mm |
| D. | 5mm |
| Answer» E. | |
| 7. |
When the mixture is mixed in the plant the time should not be less than? |
| A. | 50s |
| B. | 100s |
| C. | 20s |
| D. | 10s |
| Answer» B. 100s | |
| 8. |
Under usual conditions up to which percentage the water should be placed in the mixer drums. |
| A. | 15% |
| B. | 20% |
| C. | 10% |
| D. | 12% |
| Answer» D. 12% | |
| 9. |
If cement, fine aggregate and coarse aggregate are simultaneously charged then it improves ____________ |
| A. | Tension in concrete |
| B. | Uniformity in concrete |
| C. | Compression in concrete |
| D. | Strain in concrete |
| Answer» C. Compression in concrete | |
| 10. |
In the case of large floor and roof coverings using prestressed concrete as material, one of the structural forms for adoption is? |
| A. | Concrete panels |
| B. | Reinforced disc |
| C. | Spherical domes |
| D. | Trapezoidal domes |
| Answer» D. Trapezoidal domes | |