Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 5 (Q.No. 43)
43.
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
10 mm/m
16 mm/m
20 mm/m
26 mm/m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

BK Naveen said:   7 years ago
Wooden master pattern allowance = Aluminium pattern allowance + Grey iron casting allowance.

Wooden master pattern allowance = 16 + 10 = 26 mm/m.

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