Which of the following statements is(are) true concerning expansion of an investment material?
A) Expansion of the investment from added water is called hygroscopic expansion.
B) Investments are designed to expand to compensate for casting shrinkage.
C) Expansion of the investment from heat is called thermal expansion.
D) A, B, and C are true statements.
E) A and C are true statements.
Correct Answer:
Verified
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