Mercury is choice with steam in binary vapor cycle because

Electrical Engineering XYZ MCQs

Mercury is choice with steam in binary vapor cycle because:

1. Higher critical temperature and pressure
2. Relative low vaporization pressure
3. Higher saturation temperature than other fluids
4. All of the above

Correct answer: 4. All of the above

Explanation: All of these is correct answer to this Electrical Engineering MCQ

1. Higher critical temperature and pressure: Mercury does indeed have relatively high critical temperature and pressure compared to many other fluids. This characteristic can make it suitable for certain applications, although it’s not the primary reason for its selection in a binary vapor cycle.
2. Relative low vaporization pressure: This is a significant reason for choosing Mercury in a binary vapor cycle. Its low vaporization pressure compared to other fluids makes it compatible with steam in such a system.
3. Higher saturation temperature than other fluids: While Mercury does have unique properties, including its higher saturation temperature compared to some other fluids, this alone might not be the primary reason for its selection. However, it can contribute to its suitability in specific applications.