Find the Radial width of the piston ring, when D=250mm, t=100MPa, and

1.	Find the Radial width of the piston ring, when D=250mm, _t=100MPa, and p_w=0.03N/mm²?
A.	5.5mm
B.	7.5mm
C.	4.5mm
D.	6.5mm
Answer» C. 4.5mm

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