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Q: Retrofitting technique involves
  • A. dismantling the entire structure to rebuilt
  • B. strengthening the structure by grouting, jacking etc
  • C. repairing minor damage periodically
  • D. None of the above
Correct Answer: Option C - The process of changing or repairing something after it has been manufactured is known as retrofitting. • A retrofitting results as the structures safety and durability have improved.
C. The process of changing or repairing something after it has been manufactured is known as retrofitting. • A retrofitting results as the structures safety and durability have improved.

Explanations:

The process of changing or repairing something after it has been manufactured is known as retrofitting. • A retrofitting results as the structures safety and durability have improved.