If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be

If an aluminium pattern made from a wooden master pattern is to be use

1.	If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
A.	0 mm/m
B.	6 mm/m
C.	0 mm/m
D.	6 mm/m
Answer» E.