Civil Engineering MCQJE Level Civil Engineering
For quick exam reasoning in Virtual Work, identify the correct treatment of deflection calculation in beams and trusses?
Structural AnalysisVirtual WorkMEDIUM
Choose the correct answer
A
virtual work requires plastic collapse
B
strain energy is not involved
C
deflection is obtained from the product of real and virtual internal actions
D
unit-load method applies only to determinate trusses
Correct Answer
C. deflection is obtained from the product of real and virtual internal actions
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Unit-load/virtual-work methods evaluate displacement through work equivalence. Correct option: C.
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