Q988
Shrinkage allowance on pattern is provided to compensate for shrinkage when the
A.
Metal changes from liquid state to solid state at freezing temperature
B.
Solid phase temperature drops from freezing temperature to the room temperature
AnswerC.
Liquid metal temperature drops from pouring temperature to room temperature
D.
Liquid metal temperature drops from pouring temperature to freezing temperature
Answer: Option B
Solution
Answer: Option B
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