Q
When porcelain is basked against metal, it should possess a________________?
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A
A. High fusion expansion
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B
B. High fusion temperature
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C
C. Linear coefficient of thermal expansion less than but close to that of metal
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D
D. Linear coefficient of thermal expansion greater than, but close to that of the metal
Correct Answer:
C. C. Linear coefficient of thermal expansion less than but close to that of metal
