Mercury is a choice with steam in binary vapour cycle because it has____________?
Correct answer: D. all above
- A. higher critical temperature and pressure
- B. higher saturation temperature than other fluids
- C. relatively low vapourisation pressure
- D. all above
Explanation
Mercury has a high critical temperature, high saturation temperature and relatively low vapour pressure, making it suitable as the topping fluid in a binary cycle. These properties allow heat to be supplied at a higher average temperature before the steam cycle begins.
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