If joint is to fail by crushing of socket collar then estimate the diameter of socket collar. Given Permissible compressive stress= 126.67 N/mm .; Spigot dia=65mm; thickness 0f collar=15mm

If joint is to fail by crushing of socket collar then estimate the dia

1.	If joint is to fail by crushing of socket collar then estimate the diameter of socket collar. Given Permissible compressive stress= 126.67 N/mm .; Spigot dia=65mm; thickness 0f collar=15mm
A.	131mm
B.	139mm
C.	141mm
D.	149mm
Answer» B. 139mm