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Q: In structural steel construction, the distance between centre of fasteners shall NOT be less than X times the nominal diameter of the fastener, where X is:
  • A. 2.5
  • B. 2.0
  • C. 3.0
  • D. 1.5
Correct Answer: Option A - The distance between centre of fasteners shall not be less than 2.5 times the nominal diameter of the fasteners. • The distance between the centres of any two adjacent fasteners shall not exceed 32t or 300 mm, whichever is less, where 't' is the thickness of the thinner plate.
A. The distance between centre of fasteners shall not be less than 2.5 times the nominal diameter of the fasteners. • The distance between the centres of any two adjacent fasteners shall not exceed 32t or 300 mm, whichever is less, where 't' is the thickness of the thinner plate.

Explanations:

The distance between centre of fasteners shall not be less than 2.5 times the nominal diameter of the fasteners. • The distance between the centres of any two adjacent fasteners shall not exceed 32t or 300 mm, whichever is less, where 't' is the thickness of the thinner plate.