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This section includes 20 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/mm2 |
B. | 200-300n/mm2 |
C. | 100-150n/mm2 |
D. | 600-800n/mm2 |
Answer» B. 200-300n/mm2 | |
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 | |
11. |
HOW_MANY_WEDGES_ARE_CONSIDERED_IN_CASE_OF_TORPEDO_SPLICES??$ |
A. | 3 |
B. | 4 |
C. | 5 |
D. | 2 |
Answer» B. 4 | |
12. |
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 | |
13. |
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 | |
14. |
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 | |
15. |
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 | |
16. |
In which place thermo electric pre stressing found to be more economical: |
A. | Canada |
B. | USSR |
C. | France |
D. | Switzerland |
Answer» C. France | |
17. |
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> | |
18. |
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 | |
19. |
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 | |
20. |
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 | |