MCQOPTIONS
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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 post tensioned concrete beam of rectangular section 200mm wide and 300mm deep is stressed by a parabolic cable with eccentricity 50mm at centre of span, area is 3×104mm2, initial stress is 1200n/mm2 Find the stress in concrete at the level of steel? |
| A. | 10n/mm2 |
| B. | 15n/mm2 |
| C. | 6n/mm2 |
| D. | 8n/mm2 |
| Answer» E. | |
| 2. |
A concrete beam of rectangular section 100mm wide, area is 3×104, initial stress is 1200n/mm2 of 7mm diameter located at an eccentricity 50mm. Estimate the loss of stress due to creep of concrete using the ultimate creep strain method? |
| A. | 88 |
| B. | 40 |
| C. | 50 |
| D. | 120 |
| Answer» B. 40 | |
| 3. |
The value of creep coefficient ‘f’ depends upon ___________ |
| A. | Humidity |
| B. | Frost |
| C. | Uv rays |
| D. | Ice |
| Answer» B. Frost | |