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This section includes 19 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. |
The space truss, which is composed of longitudinal bars and diagonal concrete truss subjected to twist is known as __________ |
A. | Skew bending theory |
B. | Space truss analogy theory |
C. | Space truss theory |
D. | Compression failed theory |
Answer» C. Space truss theory | |
2. |
The skew bending theory is based on the __________ |
A. | Plane Elasticity |
B. | Plane Deformation |
C. | Plane Torque |
D. | Plane Strain |
Answer» C. Plane Torque | |
3. |
The members subjected to torque, bending and shear are generally reinforced with __________ |
A. | Parallel and perpendicular reinforcements |
B. | Longitudinal and transverse reinforcements |
C. | Rectangular and trapezoidal reinforcements |
D. | Circular and square reinforcements |
Answer» C. Rectangular and trapezoidal reinforcements | |
4. |
The behavior of a prestressed concrete member is affected by the relative magnitude of __________ |
A. | Internal actions |
B. | External actions |
C. | Zero |
D. | Constant actions |
Answer» B. External actions | |
5. |
When both longitudinal steel and spirals are provided in prestressed members, the ultimate torsional resistance is? |
A. | Twp+Tws |
B. | Ttp+Tts |
C. | Tvp+Tvs |
D. | Tep+Tes |
Answer» C. Tvp+Tvs | |
6. |
The failure of prestressed concrete member without additional un tensioned reinforcement, to that of plain concrete is? |
A. | Zero |
B. | Less |
C. | 1 |
D. | 4 |
Answer» C. 1 | |
7. |
The maximum shear stress of circular section is given as __________ |
A. | 16T/πD3 |
B. | 20T/πD3 |
C. | 40T/πD3 |
D. | 100T/πD3 |
Answer» B. 20T/πD3 | |
8. |
The distribution of torsion shear stress is uniform in __________ |
A. | Parallel sections |
B. | Rectangular sections |
C. | Trapezoidal sections |
D. | Circular sections |
Answer» D. Circular sections | |
9. |
In case of structural concrete members subjected to torsion, shear stress develops depending upon the __________ |
A. | Type of bending |
B. | Type of tendon |
C. | Type of anchorage |
D. | Type of cross section |
Answer» E. | |
10. |
THE_SKEW_BENDING_THEORY_IS_BASED_ON_THE:?$ |
A. | Plane Elasticity |
B. | Plane Deformation |
C. | Plane Torque |
D. | Plane Strain |
Answer» C. Plane Torque | |
11. |
The space truss, which is composed of longitudinal bars and diagonal concrete truss subjected to twist is known as:$ |
A. | Skew bending theory |
B. | Space truss analogy theory |
C. | Space truss theory |
D. | Compression failed theory |
Answer» C. Space truss theory | |
12. |
The members subjected to torque, bending and shear are generally reinforced with? |
A. | Parallel and perpendicular reinforcements |
B. | Longitudinal and transverse reinforcements |
C. | Rectangular and trapezoidal reinforcements |
D. | Circular and square reinforcements |
Answer» C. Rectangular and trapezoidal reinforcements | |
13. |
The behavior of a prestressed concrete member is affected by the relative magnitude of: |
A. | Internal actions |
B. | External actions |
C. | Zero |
D. | Constant actions |
Answer» B. External actions | |
14. |
When both longitudinal steel and spirals are provided in prestressed members, the ultimate torsional resistance is: |
A. | T<sub>wp</sub>+T<sub>ws</sub> |
B. | T<sub>tp</sub>+T<sub>ts</sub> |
C. | T<sub>vp</sub>+T<sub>vs</sub> |
D. | T<sub>ep</sub>+T<sub>es</sub> |
Answer» C. T<sub>vp</sub>+T<sub>vs</sub> | |
15. |
Which type of prestressing is advantageous for the members subjected to pure tension? |
A. | Concentric prestressing |
B. | Tangential prestressing |
C. | Circular prestressing |
D. | Overloaded prestressing |
Answer» B. Tangential prestressing | |
16. |
The failure of prestressed concrete member without additional un tensioned reinforcement, to that of plain concrete is: |
A. | Zero |
B. | Less |
C. | 1 |
D. | 4 |
Answer» C. 1 | |
17. |
The maximum shear stress of circular section is given as: |
A. | 16T/πD<sup>3</sup> |
B. | 20T/πD<sup>3</sup> |
C. | 40T/πD<sup>3</sup> |
D. | 100T/πD<sup>3</sup> |
Answer» B. 20T/‚âà√¨‚àö√ëD<sup>3</sup> | |
18. |
The distribution of torsion shear stress is uniform in: |
A. | Parallel sections |
B. | Rectangular sections |
C. | Trapezoidal sections |
D. | Circular sections |
Answer» D. Circular sections | |
19. |
In case of structural concrete members subjected to torsion, shear stress develops depending upon the: |
A. | Type of bending |
B. | Type of tendon |
C. | Type of anchorage |
D. | Type of cross section |
Answer» E. | |