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1. |
An application requires R-12 at −140°C. The triple-point temperature is −157°C. Find the pressure of the saturated vapour at the required condition. |
A. | 0.0058 kpa |
B. | 0.0098 kpa |
C. | 0.0068 kpa |
D. | 0.0088 kpa |
Answer» C. 0.0068 kpa | |