1. The cycle can employ monatomic gas like helium instead of air to increase the cycle efficiency if other conditions are the same. |
2. The efficiency of heat exchanger increases with the use of helium |
3. The turbine blades suffer higher corrosion damages. |
4. Higher output can be obtained for the same size. |
A) 1, 2 and 3
B) 1, 2 and 4
C) 2, 3 and 4
D) 1, 3 and 4
Correct Answer: B
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