Mechanical Engineering - Workshop Technology - Discussion

Discussion Forum : Workshop Technology - Section 2 (Q.No. 26)
26.
The shrinkage allowance for cast iron pattern is
10 mm/m
16 mm/m
20 mm/m
26 mm/m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

Rjj said:   6 years ago
Al has a max. Liquid shrinkage.
Brass has a max. solid shrinkage
Steel has a max. combination of both solid and liquid shrinkage.

Narsingh said:   7 years ago
Maximum allowance plane carbon steel 20mm/m.
Pure Aluminium 17mm/m.

Grey cast iron is a Negative allowance.

Lok said:   7 years ago
Please explain shrinkage allowances with pattern wise list.

RATC said:   8 years ago
Shrinkage maximum for aluminum.

Gurdeep gill said:   1 decade ago
Shrinkage is 7-10 mm/m for grey cast iron 15 mm/m for malleable cast iron.

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