MCQOPTIONS
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MCQOPTIONS
| 1. |
When porcelain is basked against metal, it should possess a________________? |
| A. | high fusion expansion |
| B. | high fusion temperature |
| C. | linear coefficient of thermal expansion less than but close to that of metal |
| D. | Linear coefficient of thermal expansion greater than, but close to that of the metal |
| Answer» D. Linear coefficient of thermal expansion greater than, but close to that of the metal | |