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Which one of the following statements is true?
- a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency
- b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency
- c)Preheat factor for a multi-stage compressor is greater than one
- d)Preheat factor does not affect the multi-stage compressor performance
Correct answer is option 'C'. Can you explain this answer?
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Which one of the following statements is true?a)In a multi-stage compr...
Understanding the Preheat Factor in Multi-Stage Compressors
The preheat factor is a crucial parameter in the analysis of multi-stage compressors. Let's delve into why option 'C' is the correct statement.
What is Preheat Factor?
- The preheat factor refers to the ratio of the actual temperature rise in a compressed gas to the temperature rise predicted by ideal conditions.
- It is a measure of how effectively a compressor can elevate the temperature of the working fluid during the compression process.
Why is the Preheat Factor Greater than One?
- In multi-stage compressors, the compression process occurs in several stages, allowing for more efficient heat management.
- The preheat factor being greater than one indicates that the compressor is taking advantage of the heat generated during compression, thereby improving the overall efficiency.
- This factor often results from the inter-stage cooling, which reduces the temperature of the gas between stages, allowing for a greater temperature rise in subsequent stages compared to a single-stage compressor.
Implications for Performance
- A preheat factor greater than one signifies that the compressor is operating effectively, maximizing the energy input and minimizing losses.
- This efficiency translates to better performance characteristics, such as lower energy consumption and improved output pressure.
In summary, the preheat factor for a multi-stage compressor is indeed greater than one, reflecting its enhanced operational efficiency compared to single-stage compressors. Thus, option 'C' accurately describes the behavior of multi-stage compressors in the context of preheating effects.
The preheat factor is a crucial parameter in the analysis of multi-stage compressors. Let's delve into why option 'C' is the correct statement.
What is Preheat Factor?
- The preheat factor refers to the ratio of the actual temperature rise in a compressed gas to the temperature rise predicted by ideal conditions.
- It is a measure of how effectively a compressor can elevate the temperature of the working fluid during the compression process.
Why is the Preheat Factor Greater than One?
- In multi-stage compressors, the compression process occurs in several stages, allowing for more efficient heat management.
- The preheat factor being greater than one indicates that the compressor is taking advantage of the heat generated during compression, thereby improving the overall efficiency.
- This factor often results from the inter-stage cooling, which reduces the temperature of the gas between stages, allowing for a greater temperature rise in subsequent stages compared to a single-stage compressor.
Implications for Performance
- A preheat factor greater than one signifies that the compressor is operating effectively, maximizing the energy input and minimizing losses.
- This efficiency translates to better performance characteristics, such as lower energy consumption and improved output pressure.
In summary, the preheat factor for a multi-stage compressor is indeed greater than one, reflecting its enhanced operational efficiency compared to single-stage compressors. Thus, option 'C' accurately describes the behavior of multi-stage compressors in the context of preheating effects.
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Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer?
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Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer?.
Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer?.
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Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of Which one of the following statements is true?a)In a multi-stage compressor, adiabatic efficiency is less than stage efficiency b)In a multi-stage turbine, adiabatic efficiency is less than the stage efficiency c)Preheat factor for a multi-stage compressor is greater than one d)Preheat factor does not affect the multi-stage compressor performanceCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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