In which of the following trusses, the method of substitution is requi – 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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