Engineering Questions with Answers - Multiple Choice Questions

Manufacturing Engineering – Metal Casting Processes Equipment

1 - Question

Which of the following are typically made of sand, plaster, ceramics and similar materials and generally are mixed with various binders? a) Permanent molds b) Expendable molds c) Composite molds d) Ceramic molds
View Answer Answer: b Explanation: Expendable molds, which typically are made of sand, plaster, ceramics, and similar materials and generally are mixed with various binders (bonding agents) for improved properties whereas permanent molds, which are made of metals that maintain their strength at high temperatures.

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