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Q: The structural member carrying compressive load in a truss is called:
  • A. tie
  • B. cleat
  • C. purlin
  • D. strut
Correct Answer: Option D - Strut– It is structure in which all the member where B.M. is zero because it is used in roof truss as a compression member. Purlin– Horizontal beam spanning between the two adjacent trusses. Sag tie– To reduce deflection and moment due to self weight, Sag rods are designed as tension member.
D. Strut– It is structure in which all the member where B.M. is zero because it is used in roof truss as a compression member. Purlin– Horizontal beam spanning between the two adjacent trusses. Sag tie– To reduce deflection and moment due to self weight, Sag rods are designed as tension member.

Explanations:

Strut– It is structure in which all the member where B.M. is zero because it is used in roof truss as a compression member. Purlin– Horizontal beam spanning between the two adjacent trusses. Sag tie– To reduce deflection and moment due to self weight, Sag rods are designed as tension member.