MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Find the deflection due to self weight given that ϕ = 1.6, Ee = 2.6Ece, elastic modulus of concrete is 34×103, gravity is given as 6, self weight is 0.76, Length of the cable is 1000, elastic modulus of concrete is 34×103 , Moment of inertia is 3200×105? |
| A. | 1.66mm |
| B. | 5.3mm |
| C. | 23.4mm |
| D. | 1.02mm |
| Answer» E. | |
| 2. |
Check for deflection due to prestressing force if given data is Prestressing force is 182×103 eccentricity of cable is 105, Length of the cable is 1000, elastic modulus of concrete is 34×103, Moment of inertia is 3200×105? |
| A. | 9.4 |
| B. | 4.5 |
| C. | 6.8 |
| D. | 9.8 |
| Answer» D. 9.8 | |
| 3. |
Find ultimate shear strength (check it for safe against shear failure) if vu is 27.75kn, Loss ratio is 0.8, prestressing force is 182000, area is 31400, breadth is 50 where height is 320, prestressing force is 1.7, fcp = 4.65, ft is 1.7? |
| A. | Safe |
| B. | Unsafe |
| C. | Zero |
| D. | Collapse |
| Answer» B. Unsafe | |
| 4. |
Check for ultimate flexural strength if given Aps is 154mm2, fpu is 1600n/mm2, b is 160mm, fcu is 50n/mm2and diameter is 265mm? |
| A. | 9.65 |
| B. | 0.116 |
| C. | 3.442 |
| D. | 2.345 |
| Answer» C. 3.442 | |
| 5. |
Find the supporting force if given characteristic strength is -1, moment of gravity is 3.86×106, zt = 230×104? |
| A. | -2.68n/mm2 |
| B. | -3.45n/mm2 |
| C. | -1.23n/mm2 |
| D. | 13.56n/mm2 |
| Answer» B. -3.45n/mm2 | |
| 6. |
Find minimum section modulus given data is mg is 3.86×106, mq is 22.50×106, fbr is given as 12 and the loss ratio is 0.8? |
| A. | 134×104 |
| B. | 182×104 |
| C. | 123×104 |
| D. | 120×104 |
| Answer» C. 123×104 | |
| 7. |
Find minimum range of stresses if fct is 15n/mm2, fcw is 17, ftw is zero, fu is -1n/mm2, ɳ is 0.8? |
| A. | 12 and 18n/mm2 |
| B. | 13 and 14n/mm2 |
| C. | 12 and 15n/mm2 |
| D. | 10 and 16n/mm2 |
| Answer» B. 13 and 14n/mm2 | |
| 8. |
Design a pretensioned roof pull-in to suit the data Fcu, concrete cube strength = 50n/mm2, effective span = 6m, applied load = 5kn/m, dead load = 1.4, live load = 1.6, β = 0.125, k = 7.5, Dc = 2400, and determine ultimate moment and shear? |
| A. | 42 and 27.75 |
| B. | 54 and 27.75 |
| C. | 34 and 27.75 |
| D. | 20 and 28 |
| Answer» B. 54 and 27.75 | |