According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm)

  • Ad = √t
  • Bd = 1.6√t
  • Cd = 2√t
  • Dd = 6√t
Correct Answer : (D)

d = 6√t

Hints :

The centre to centre distance between two consecutive rivets in a row, is called


The bending stress in a curved beam is

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