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Q: The nominal thickness of an expansion joint in brick wall must be more than :
  • A. 10 mm
  • B. 20 mm
  • C. 30 mm
  • D. 40 mm
Correct Answer: Option B - The nominal thickness of an expansion joint is brick wall must be more than 20 mm.
B. The nominal thickness of an expansion joint is brick wall must be more than 20 mm.

Explanations:

The nominal thickness of an expansion joint is brick wall must be more than 20 mm.