Question: QUESTION 2 3 How to prevent aspiration? Select all the correct answer ( s ) . The sprue should be cylindrical. The liquid metal should

QUESTION 23
How to prevent aspiration? Select all the correct answer(s).
The sprue should be cylindrical.
The liquid metal should be super-heated to increase its fluidity.
The material of the sprue should be carefully selected.
The sprue should be tapered.
There should be a choking mechanism at the bottorn of the spure.
QUESTION 2 3 How to prevent aspiration? Select

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