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Q: Trusses and frames are different as :
  • A. Trusses can bend, frames can't
  • B. Both can bend
  • C. None of them can bend
  • D. Trusses can't bend but frame can
Correct Answer: Option D - Truss is a structure in which all members are subjected to either tension or compression only. B.M. is zero every where in the truss but frame have bending moments at the joints.
D. Truss is a structure in which all members are subjected to either tension or compression only. B.M. is zero every where in the truss but frame have bending moments at the joints.

Explanations:

Truss is a structure in which all members are subjected to either tension or compression only. B.M. is zero every where in the truss but frame have bending moments at the joints.