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 prestressed concrete beam used over a span of 6m is 100mm wide and 300mm deep, live load of 4kn/m, density of concrete is 24kn/m3, modulus of elasticity of concrete is 36 and steel is 210kn/mm2. Find rotation due to loads(sagging moment)? |
| A. | 0.005 |
| B. | 0.00525 |
| C. | 0.0024 |
| D. | 0.0045 |
| Answer» E. | |
| 2. |
The cross section of a prestressed concrete beam is 100mm wide and 300mm deep and the initial stress in tendons are located at a eccentricity of 50mm is 1000n/mm2, the sectional area is 100mm2. Find rotation due to prestress (hogging moment)? |
| A. | 0.00155 |
| B. | 0.00165 |
| C. | 0.00175 |
| D. | 0.00185 |
| Answer» E. | |
| 3. |
The rotation equation obtained by applying Mohr’s theorem considering a concrete beam of span l, force p, eccentricity e is? |
| A. | θp = PeL/2EI |
| B. | θp = PeL/4EI |
| C. | θp = PeL/16EI |
| D. | θp = PeL/20EI |
| Answer» B. θp = PeL/4EI | |