Structural Analysis interview questions

1. A.graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
2. B.truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown
3. C.displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements
4. D.number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve

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1. A.Method of joints
2. B.Moment distribution method
3. C.Influence line
4. D.Static indeterminacy

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1. A.Static indeterminacy — graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
2. B.Static indeterminacy — number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve
3. C.Static indeterminacy — displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements
4. D.Static indeterminacy — truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown

Answer + AI explanation with Pro

1. A.Hardy Cross iteration that balances fixed-end moments at each joint using distribution factors and carries half the balancing moment to the far end
2. B.truss analysis that cuts through at most three members and uses moment equilibrium of one part to find a chosen member force directly
3. C.displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements
4. D.number of independent joint displacements and rotations needed to describe the deformed shape of a structure

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1. A.Kinematic indeterminacy
2. B.Static indeterminacy
3. C.Slope-deflection method
4. D.Stiffness vs flexibility method

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1. A.Kinematic indeterminacy — number of independent joint displacements and rotations needed to describe the deformed shape of a structure
2. B.Kinematic indeterminacy — truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown
3. C.Kinematic indeterminacy — number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve
4. D.Kinematic indeterminacy — the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement

Answer + AI explanation with Pro

1. A.truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown
2. B.number of independent joint displacements and rotations needed to describe the deformed shape of a structure
3. C.stiffness method takes displacements as unknowns and suits computer implementation, whereas flexibility method takes redundant forces as unknowns
4. D.number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve

Answer + AI explanation with Pro

1. A.Method of joints
2. B.Influence line
3. C.Moment distribution method
4. D.Static indeterminacy

Answer + AI explanation with Pro

1. A.Method of joints — number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve
2. B.Method of joints — truss analysis that cuts through at most three members and uses moment equilibrium of one part to find a chosen member force directly
3. C.Method of joints — graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
4. D.Method of joints — truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown

Answer + AI explanation with Pro

1. A.graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
2. B.the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement
3. C.truss analysis that cuts through at most three members and uses moment equilibrium of one part to find a chosen member force directly
4. D.number of independent joint displacements and rotations needed to describe the deformed shape of a structure

Answer + AI explanation with Pro

1. A.Kinematic indeterminacy
2. B.Stiffness vs flexibility method
3. C.Moment distribution method
4. D.Method of sections

Answer + AI explanation with Pro

1. A.Method of sections — truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown
2. B.Method of sections — the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement
3. C.Method of sections — graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
4. D.Method of sections — truss analysis that cuts through at most three members and uses moment equilibrium of one part to find a chosen member force directly

Answer + AI explanation with Pro

1. A.number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve
2. B.Hardy Cross iteration that balances fixed-end moments at each joint using distribution factors and carries half the balancing moment to the far end
3. C.the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement
4. D.displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements

Answer + AI explanation with Pro

1. A.Moment distribution method
2. B.Method of joints
3. C.Slope-deflection method
4. D.Method of sections

Answer + AI explanation with Pro

1. A.Moment distribution method — displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements
2. B.Moment distribution method — Hardy Cross iteration that balances fixed-end moments at each joint using distribution factors and carries half the balancing moment to the far end
3. C.Moment distribution method — number of independent joint displacements and rotations needed to describe the deformed shape of a structure
4. D.Moment distribution method — truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown

Answer + AI explanation with Pro

1. A.displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements
2. B.Hardy Cross iteration that balances fixed-end moments at each joint using distribution factors and carries half the balancing moment to the far end
3. C.number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve
4. D.the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement

Answer + AI explanation with Pro

1. A.Static indeterminacy
2. B.Slope-deflection method
3. C.Kinematic indeterminacy
4. D.Method of joints

Answer + AI explanation with Pro

1. A.Slope-deflection method — truss analysis that cuts through at most three members and uses moment equilibrium of one part to find a chosen member force directly
2. B.Slope-deflection method — stiffness method takes displacements as unknowns and suits computer implementation, whereas flexibility method takes redundant forces as unknowns
3. C.Slope-deflection method — number of independent joint displacements and rotations needed to describe the deformed shape of a structure
4. D.Slope-deflection method — displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements

Answer + AI explanation with Pro

1. A.the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement
2. B.truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown
3. C.graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
4. D.displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements

Answer + AI explanation with Pro

1. A.Moment distribution method
2. B.Kinematic indeterminacy
3. C.Method of joints
4. D.Influence line

Answer + AI explanation with Pro

1. A.Influence line — number of independent joint displacements and rotations needed to describe the deformed shape of a structure
2. B.Influence line — graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
3. C.Influence line — truss analysis that cuts through at most three members and uses moment equilibrium of one part to find a chosen member force directly
4. D.Influence line — number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve

Answer + AI explanation with Pro

1. A.truss analysis that cuts through at most three members and uses moment equilibrium of one part to find a chosen member force directly
2. B.the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement
3. C.number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve
4. D.displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements

Answer + AI explanation with Pro

1. A.Müller-Breslau principle
2. B.Kinematic indeterminacy
3. C.Moment distribution method
4. D.Influence line

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1. A.Müller-Breslau principle — graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
2. B.Müller-Breslau principle — number of independent joint displacements and rotations needed to describe the deformed shape of a structure
3. C.Müller-Breslau principle — stiffness method takes displacements as unknowns and suits computer implementation, whereas flexibility method takes redundant forces as unknowns
4. D.Müller-Breslau principle — the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement

Answer + AI explanation with Pro

1. A.stiffness method takes displacements as unknowns and suits computer implementation, whereas flexibility method takes redundant forces as unknowns
2. B.the influence line for any response equals the deflected shape obtained by removing that restraint and giving it a unit displacement
3. C.displacement method writing member end moments in terms of joint rotations and sway, then solving joint equilibrium equations for the unknown displacements
4. D.graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect

Answer + AI explanation with Pro

1. A.Müller-Breslau principle
2. B.Stiffness vs flexibility method
3. C.Influence line
4. D.Static indeterminacy

Answer + AI explanation with Pro

1. A.Stiffness vs flexibility method — truss analysis that applies force equilibrium at one joint at a time, starting where at most two member forces are unknown
2. B.Stiffness vs flexibility method — graph of a reaction, shear or moment at one fixed section as a unit load moves across the structure, used to place moving loads for maximum effect
3. C.Stiffness vs flexibility method — stiffness method takes displacements as unknowns and suits computer implementation, whereas flexibility method takes redundant forces as unknowns
4. D.Stiffness vs flexibility method — number of unknown reactions and member forces in excess of the available equilibrium equations, requiring compatibility conditions to solve

Answer + AI explanation with Pro