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This section includes 15 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 peripheral ring beam is prestressed by which type of wire winding? |
A. | Circular |
B. | Trapezoidal |
C. | Elliptical |
D. | Curved |
Answer» C. Elliptical | |
2. |
The spherical domes are supported by a ring beam at the __________ |
A. | Base |
B. | Middle |
C. | Start |
D. | Edge |
Answer» B. Middle | |
3. |
The folded plate is also analyzed for __________ |
A. | Longitudinal |
B. | Transverse |
C. | Straight |
D. | Reverse |
Answer» C. Straight | |
4. |
Fold plates are widely used for __________ |
A. | Roofs |
B. | Beams |
C. | Stress |
D. | Foundation |
Answer» B. Beams | |
5. |
The hyperbolic parabolic shells, grouped under the category of __________ |
A. | Singly curved shells |
B. | Doubly curved shells |
C. | Three curved shells |
D. | Four curved shells |
Answer» C. Three curved shells | |
6. |
The general bending theory of thin curved shells is governed by a __________ |
A. | Differential equation |
B. | Parabola equation |
C. | Ellipse equation |
D. | Moment equations |
Answer» B. Parabola equation | |
7. |
The rigorous methods generally involve computations to estimate the __________ |
A. | Transverse reactions |
B. | Longitudinal reactions |
C. | Redundant reactions |
D. | Span reactions |
Answer» D. Span reactions | |
8. |
The analysis of circular cylindrical shells with prestressed edge beam is more or less similar to __________ |
A. | Prestressed concrete beam |
B. | Reinforced concrete beam |
C. | Chemically prestressed beam |
D. | Partially prestressed beam |
Answer» C. Chemically prestressed beam | |
9. |
In general, concrete shells have thin cross sections, which prectude the use of large diameter? |
A. | Cables |
B. | Wires |
C. | Bars |
D. | Lens |
Answer» B. Wires | |
10. |
The compressive state of stress in the shell membrane results in which construction? |
A. | Airtight construction |
B. | Water tight construction |
C. | Lever construction |
D. | Soffit construction |
Answer» C. Lever construction | |
11. |
The investigations by Marshall have shown that prestressing considerably reduces __________ |
A. | Sagging moment |
B. | Transverse moment |
C. | Hogging moment |
D. | Longitudinal moment |
Answer» C. Hogging moment | |
12. |
The parabolic profile of the cables in the edge beam counteracts the __________ |
A. | Compression |
B. | Tension |
C. | Deflection |
D. | Deformation |
Answer» D. Deformation | |
13. |
Long spans exceeding 30m necessitate is? |
A. | Welding |
B. | Blocking |
C. | Anchoring |
D. | Spinning |
Answer» B. Blocking | |
14. |
Reinforced concrete shells are ideally suited to cover floor spaces of up to __________ |
A. | 15m |
B. | 25m |
C. | 30m |
D. | 40m |
Answer» D. 40m | |
15. |
The concrete shell roof has been widely used to cover __________ |
A. | Small floor spaces |
B. | Large floor spaces |
C. | Middle span spaces |
D. | Edge floor spaces |
Answer» C. Middle span spaces | |