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. |
How many wedges are considered in the case of torpedo splices? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 2 |
| Answer» B. 4 | |
| 2. |
In thermo electric pre stressing, the elongation is observed in case of ___________ |
| A. | Bar after cooling |
| B. | Bar after heating |
| C. | Bar after anchoring |
| D. | Simple bar |
| Answer» C. Bar after anchoring | |
| 3. |
The estimation of the current, voltage and power requirements of the transformer are for ___________ |
| A. | Theoretical equations |
| B. | Empirical relations |
| C. | Global relations |
| D. | Quadratic equations |
| Answer» C. Global relations | |
| 4. |
The tensioning of oval section ribbed wires with an ultimate tensile strength was adopted in ___________ |
| A. | Germany |
| B. | France |
| C. | Switzerland |
| D. | Britain |
| Answer» B. France | |
| 5. |
The thermo electric pre stressing is also used in ___________ |
| A. | Pre-block units |
| B. | Pre-cast units |
| C. | Pre-beam units |
| D. | Pre-anchorage units |
| Answer» C. Pre-beam units | |
| 6. |
In which place thermo electric pre stressing found to be more economical? |
| A. | Canada |
| B. | USSR |
| C. | France |
| D. | Switzerland |
| Answer» C. France | |
| 7. |
The thermo electric pre stressing, initial stress in tendons ranges between ___________ |
| A. | 500-600n/mm<sup>2</sup> |
| B. | 200-300n/mm<sup>2</sup> |
| C. | 100-150n/mm<sup>2</sup> |
| D. | 600-800n/mm<sup>2</sup> |
| Answer» B. 200-300n/mm<sup>2</sup> | |
| 8. |
The period of cooling in thermo electric pre stressing is observed as ___________ |
| A. | 20-30 minutes |
| B. | 12-15 minutes |
| C. | 5-10 minutes |
| D. | 15-20 minutes |
| Answer» C. 5-10 minutes | |
| 9. |
In thermo electric pre stressing, heating the bars is done to a temperature of ___________ |
| A. | 300-400degrees |
| B. | 500-600degrees |
| C. | 200-300degrees |
| D. | 150-450degrees |
| Answer» B. 500-600degrees | |
| 10. |
The method of pre stressing by heated tendons, achieved by passing an electric current is known as ___________ |
| A. | Chemical pre stressing |
| B. | Thermo electric pre stressing |
| C. | Dynamic pre stressing |
| D. | Thermo blasting pre stressing |
| Answer» C. Dynamic pre stressing | |