According to Unwin's formula, the diameter d of a rivet of plate of th – McqOptions

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1.	According to Unwin's formula, the diameter d of a rivet of plate of thickness t is :
A.	d = 6.05 t
B.	d = 1.5 t + 4
C.	d = 5 t
D.	d = t + 1.5
Answer» B. d = 1.5 t + 4

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