MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Prestressed Concrete Structures Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A pre tensioned beam is prestressed using 5mm diameter wires with an initial stress of 80 percent of the ultimate strength of steel fpu = 1600n/mm2. Calculate average bond stress? |
| A. | 4.20n/mm2 |
| B. | 3.30n/mm2 |
| C. | 2.0n/mm2 |
| D. | 4.9n/mm2 |
| Answer» C. 2.0n/mm2 | |
| 2. |
A pretensioned beam is prestressed using 5mm diameter wires, τ bp = 7.42, ϕ = 0.00725, Lt = 485mm. Calculate the bond stress at l/4 and l/2 the transmission length from the end? |
| A. | 3.7n/mm2 and 1.82n/mm2 |
| B. | 2.2n/mm2 and 5.8n/mm2 |
| C. | 4.8n/mm2 and 10.5n/mm2 |
| D. | 1.5n/mm2 and 7.4n/mm2 |
| Answer» B. 2.2n/mm2 and 5.8n/mm2 | |
| 3. |
A pre tensioned beam is prestressed with the cube strength of concrete at transfer is 30n/mm2 (β = 0.0235) calculate the transmission length? |
| A. | 645mm |
| B. | 1100mm |
| C. | 485mm |
| D. | 1600mm |
| Answer» D. 1600mm | |