In which of the following trusses, the method of substitution is requ – McqOptions

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1.	In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics?
A.	Howe truss
B.	King post truss
C.	Fink truss
D.	Warren truss
Answer» D. Warren truss

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