# TRUSSES AND FRAMES VIVA QUESTIONS

- What is a truss?
- What are the main components of a truss?
- How is a truss different from a frame?
- What are the advantages of using trusses in structural design?
- What are the different types of trusses based on their shape?
- Explain the method of joints for analyzing truss structures.
- What is the method of sections used for analyzing truss structures?
- What is the difference between determinate and indeterminate trusses?
- How do you determine whether a truss is statically determinate or indeterminate?
- How many members and joints are required for a statically determinate truss?
- How can you determine the reactions at the supports of a truss?
- What are zero-force members in trusses, and how do you identify them?
- Explain the concept of redundancy in indeterminate trusses.
- What are the different methods for analyzing indeterminate trusses?
- What is the principle of superposition used in truss analysis?
- How can you calculate the internal forces (tension/compression) in the members of a truss?
- Discuss the concept of stability in trusses and how it is ensured in design.
- What are the practical applications of trusses in engineering and construction?
- How do you analyze frames? What are the differences in analysis compared to trusses?
- Discuss the concept of sway or lateral stability in frames.
- What is the difference between an ideal truss and a real truss?
- What are the assumptions made in the analysis of trusses?
- Explain the concept of the method of tension coefficients in truss analysis.
- What are the different types of truss supports?
- How do you classify trusses based on their method of construction?
- What are the advantages and disadvantages of using steel trusses compared to wooden trusses?
- How does temperature affect the analysis and design of trusses?
- Explain the concept of load paths in trusses.
- What is the significance of the Pratt truss and Howe truss designs?
- How does the addition of redundant members affect the stability of trusses?
- Discuss the concept of axial rigidity in truss members.
- What is meant by the term “chord” in trusses?
- Explain the concept of a concentrated load applied at a joint in truss analysis.
- How do you analyze a three-dimensional truss structure?
- What are the limitations of using the method of joints for truss analysis?
- Discuss the concept of virtual work and its application in truss analysis.
- How do you calculate the deflection of a truss member under loading?
- What are the different types of forces that can act on a truss member?
- Explain the concept of the centroid of a truss section.
- What is meant by the term “stiffness matrix” in the analysis of indeterminate trusses?
- How does the addition of a roller support affect the analysis of a truss?
- Discuss the concept of a sway or bracing system in truss design.
- What are the differences between a truss and a beam?
- Explain the concept of the moment of inertia of a truss member.
- How do you calculate the buckling load of a truss member?
- What are the different methods for connecting truss members at joints?
- Discuss the concept of the load factor in truss design.
- How do you analyze a truss with inclined members?
- Explain the concept of the deflection angle in truss analysis.
- What are the different types of truss joints?
- How do you calculate the weight of a truss structure?
- Discuss the concept of the dynamic response of trusses to loading.
- What are the different types of supports used in truss and frame structures?
- Explain the concept of equilibrium as it applies to trusses and frames.
- How do you determine the axial forces in truss members using the method of joints?
- What are the assumptions made in truss analysis?
- Discuss the concept of redundancy in trusses and frames.
- How does temperature affect the behavior of truss structures?
- What are the methods for providing stability to trusses against lateral loads?
- How does the addition of braces affect the stability and strength of truss structures?
- Explain the concept of load path in truss and frame structures.
- What is meant by the term “dead load” in structural analysis?
- Discuss the importance of load distribution in truss and frame structures.
- How do you determine the degree of static indeterminacy in a truss or frame?
- Explain the concept of virtual work and its application in analyzing trusses and frames.
- What are the advantages and disadvantages of using pin joints in truss connections?
- Discuss the differences between statically determinate and statically indeterminate frames.
- How do you calculate the deflection of trusses and frames?
- Explain the concept of buckling and its significance in truss and frame design.
- What are the methods for providing lateral bracing in truss and frame structures?
- Discuss the concept of joint efficiency in truss and frame connections.
- How can you determine the stability of truss and frame structures during construction?
- Explain the concept of “method of consistent deformations” for analyzing indeterminate trusses and frames.
- What are the assumptions made in the analysis of frames using the slope-deflection method?
- Discuss the concept of sway frames and how they differ from non-sway frames.
- How can you determine the support reactions in a frame structure?
- Explain the difference between a simple truss and a compound truss.
- Discuss the concept of the Pratt truss and its advantages in structural design.
- What are the factors considered in selecting the appropriate truss type for a given application?
- Explain the concept of joint types and their significance in truss and frame connections.
- Discuss the effects of member eccentricity in truss and frame structures.
- How can you determine the critical load for trusses and frames?
- Explain the concept of plastic analysis and its application in designing trusses and frames.
- Discuss the factors considered in the design of truss and frame connections.
- What are the methods for reducing the effects of secondary stresses in truss and frame structures?
- Explain the concept of stability bracing in trusses and frames.
- Discuss the differences between space trusses and plane trusses.
- How do you analyze trusses and frames under dynamic loading conditions?
- Explain the concept of influence lines for truss and frame structures.
- Discuss the importance of wind load analysis in the design of trusses and frames.
- What are the common failure modes in trusses and frames, and how can they be prevented?
- Explain the concept of composite trusses and their advantages in construction.
- Discuss the effects of member material properties on the behavior of trusses and frames.
- How can you determine the maximum deflection in a truss or frame structure?
- Explain the concept of joint slip in truss and frame connections.
- Discuss the concept of redundancy release in indeterminate trusses and frames.
- What are the methods for providing lateral stability to tall truss and frame structures?

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