MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Estimate the transmission length at the ends of a pretensioned beam prestressed by 7mm diameter wires. Assume the cube strength of concrete at transfer as 42n/mm2 (adopt empirical method)? |
| A. | 550mm |
| B. | 610mm |
| C. | 420mm |
| D. | 210mm |
| Answer» C. 420mm | |
| 2. |
According to Ros, the transmission length of smooth round wires of 1.5-5mm diameter varies approximately from __________ |
| A. | 1500-600 |
| B. | 100-300 |
| C. | 200-100 |
| D. | 1100-800 |
| Answer» C. 200-100 | |
| 3. |
The Shear bonding is obtained by cold rolling of __________ |
| A. | Square indentations |
| B. | Rectangle indentations |
| C. | Elliptical indentations |
| D. | Circular indentations |
| Answer» D. Circular indentations | |
| 4. |
The surface of drawn round wires is roughened by __________ |
| A. | Pickling |
| B. | Bending |
| C. | Bonding |
| D. | Tensioning |
| Answer» B. Bending | |
| 5. |
The transmission length prevailing at the time of transfer does not remain __________ |
| A. | Zero |
| B. | Constant |
| C. | Without reaction |
| D. | With reaction |
| Answer» C. Without reaction | |
| 6. |
The transmission length is predicted considering the equation parameters varying from __________ |
| A. | 90 to 150 |
| B. | 100 to 200 |
| C. | 80 to 160 |
| D. | 20 to 60 |
| Answer» D. 20 to 60 | |
| 7. |
The expression for transmission length based on wedge action is given as? |
| A. | L<sub>t</sub> = /2 (1+ <sub>c</sub>) ( <sub>c</sub>/ <sub>s</sub>-f<sub>pi</sub>/E<sub>c</sub>) (f<sub>pe</sub>/2f<sub>pi</sub>-f<sub>pe</sub>) |
| B. | L<sub>t </sub>= /2 (1+ <sub>c</sub>) ( <sub>c</sub>/ <sub>s</sub>-f<sub>pi</sub>/E<sub>c</sub>) |
| C. | L<sub>t</sub> = /2 (1+ <sub>c</sub>) |
| D. | L<sub>t</sub> = /2 |
| Answer» B. L<sub>t </sub>= /2 (1+ <sub>c</sub>) ( <sub>c</sub>/ <sub>s</sub>-f<sub>pi</sub>/E<sub>c</sub>) | |
| 8. |
The transmission length mainly depends up on how many factors? |
| A. | 8 |
| B. | 4 |
| C. | 2 |
| D. | 12 |
| Answer» C. 2 | |
| 9. |
The transmission length required to attain uniform stress distribution in prestress member is acquired through __________ |
| A. | Zero bond stress |
| B. | Middle bond stress |
| C. | Safe bond stress |
| D. | Edge bond stress |
| Answer» B. Middle bond stress | |