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Q: If some amount of rigidity is required or reversal of load occurs then ______ are primarily used.
  • A. Structural shapes
  • B. Built-up members
  • C. Wires
  • D. Rods and bars
Correct Answer: Option A - Structural shape and plates–If some amount of rigidity is required or reversal of load occurs, then structural shapes are used. The different kinds of single structural shapes used as tension members. The angle sections are considerably more rigid that the wire ropes, rods and bars. Occasionally, I-Sections are used as tension member. I-sections have more rigidity and single I-sections are more economical than built-up sections.
A. Structural shape and plates–If some amount of rigidity is required or reversal of load occurs, then structural shapes are used. The different kinds of single structural shapes used as tension members. The angle sections are considerably more rigid that the wire ropes, rods and bars. Occasionally, I-Sections are used as tension member. I-sections have more rigidity and single I-sections are more economical than built-up sections.

Explanations:

Structural shape and plates–If some amount of rigidity is required or reversal of load occurs, then structural shapes are used. The different kinds of single structural shapes used as tension members. The angle sections are considerably more rigid that the wire ropes, rods and bars. Occasionally, I-Sections are used as tension member. I-sections have more rigidity and single I-sections are more economical than built-up sections.