Before investing,a surfactant may be used to:
A) wet the ceramic-paper liner.
B) liquefy the investment material.
C) aid the flow of the investment material over the wax pattern.
D) reduce residual stress in the wax pattern.
Correct Answer:
Verified
Q4: Following removal of a ring from the
Q7: If molten alloy were cast into a
Q8: The total expansion of the investment is
Q8: To prevent premature freezing in the sprue
Q9: The amount of thermal expansion of the
Q10: Which of the following statements is true
Q11: The purpose of a sprue is to:
A)
Q13: A casting alloy is heated in a
Q17: Which of the following statements is(are) true
Q17: An invested wax pattern is allowed to
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