Question

10) Which of the following statement is false?
a) A pattern is tapped all around the faces during removal of pattern from mold cavity
b) The internal stresses in casting is caused due to uneven cooling of metal
c) Pattern is made exactly of same size as that of required casting
d) Amount of draft required is based on shape, size, complexity of pattern and molding method​

Answer 1

Answer:

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sorry sorry I dont know this answers