What does the virtual work principle calculate?
A Reactions
B Displacements
C Stresses
D Forces
What is the force method used for?
A Analyzing indeterminate structures
B Deflection calculation
C Stress testing
D Moment distribution
What does the displacement method calculate?
A Forces
B Reactions
C Displacements
D Moments
What is the main purpose of finite element analysis (FEA)?
A Structural simulation
B Moment analysis
C Stress calculation
D Load distribution
What is plastic analysis used to determine?
A Axial forces
B Load capacity
C Displacements
D Reactions
What does structural stability refer to?
A Deflection limits
B Load transfer
C Resistance to collapse
D Material strength
What is the key assumption in elastic analysis?
A Return to original shape
B Material plasticity
C Large deformation
D Instantaneous failure
What is a primary cause of structural deformation?
A Shear forces
B Applied loads
C Material failure
D Applied loads
What is the effect of temperature on structures?
A Buckling
B Stress
C Thermal expansion
D Shear forces
What is a shear center used for?
A Prevent bending
B Prevent twisting
C Transfer forces
D Calculate deflection
What is the purpose of moment distribution?
A Moment calculation
B Axial force
C Stress analysis
D Load distribution
What does the finite element method analyze?
A Forces
B Reactions
C Internal stresses
D Displacements
What does a moment cause in a structure?
A Shear
B Bending
C Tension
D Compression
What is a common structural system?
A Beam
B Cantilever
C Arch
D All of the above
What is an essential factor in structural safety?
A Load distribution
B Safety factor
C Material strength
D All of the above