1.

In a condenser, the temperature of steam entering in the condenser is observed to be 30 C. The condenser vacuum is recorded to be 670 mm of Hg. If the barometer reading is 760 mm of Hg, determine the vacuum efficiency.

A. 92.01%
B. 84.25%
C. 31.65%
D. 67.51%
Answer» B. 84.25%


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