Discussion
Assertion (A): Ceramic injection moulding is reserved for small, complex, high-value parts.
Reason (R): Debinding time rises steeply with section thickness and the tooling is expensive.
Answer: C
Correct answer: Both A and R are true, and R is the correct explanation of A
Both are true and the reason gives the mechanism. Debinding proceeds from the surface inward, so the time rises steeply with thickness - roughly as its square - which confines the process to small sections. Add expensive tooling and the economics require a part complex enough that no cheaper route will make it.
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