Civil Engineering MCQAE Level Civil Engineering
Which of the following about deflection calculation in beams and trusses in civil engineering is correct?
Structural AnalysisVirtual WorkMEDIUM
Choose the correct answer
A
virtual work requires plastic collapse
B
unit-load method applies only to determinate trusses
C
deflection is obtained from the product of real and virtual internal actions
D
strain energy is not involved
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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