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Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following?
- a)Maximum efficiency but very less specific work output
- b)Maximum efficiency and very high specific work output
- c)Minimum efficiency and very less specific work output
- d)Minimum efficiency but very high specific work output
Correct answer is option 'A'. Can you explain this answer?
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Use of maximum pressure ratio, corresponding to maximum to minimum cyc...
Maximum Pressure Ratio and Temperature Ratio in Joule Cycle
In a Joule cycle, the maximum pressure ratio corresponds to the maximum to minimum cycle temperature ratio. This relationship is significant as it affects the efficiency and specific work output of the cycle. Let's explore the implications of this relationship in more detail:
1. Joule Cycle Overview:
- The Joule cycle, also known as the constant volume heat addition cycle or the Bell Coleman cycle, is an idealized thermodynamic cycle used to analyze gas turbine engines and air refrigeration systems.
- It consists of two isentropic processes (adiabatic and reversible) and two isochoric processes (constant volume).
2. Maximum Pressure Ratio:
- The maximum pressure ratio refers to the ratio of the highest pressure in the cycle (during compression) to the lowest pressure (during expansion).
- It represents the compression ratio of the cycle and determines the pressure difference across the compressor and turbine.
3. Maximum to Minimum Cycle Temperature Ratio:
- The maximum to minimum cycle temperature ratio refers to the ratio of the highest temperature in the cycle (during heat addition) to the lowest temperature (during heat rejection).
- It represents the temperature difference across the combustor and the heat exchanger.
4. Efficiency and Specific Work Output:
- Efficiency is a crucial parameter in any thermodynamic cycle and represents the ratio of useful work output to the energy input.
- In the case of the Joule cycle, the maximum efficiency is achieved when the temperature ratio is as high as possible, resulting in a larger temperature difference and better utilization of the input energy.
- However, as the temperature ratio increases, the specific work output decreases due to the decrease in the pressure ratio.
- The specific work output is the amount of work obtained per unit mass of the working fluid and is an important consideration in practical applications.
5. Conclusion:
Based on the above discussion, we can conclude that the use of the maximum pressure ratio, corresponding to the maximum to minimum cycle temperature ratio in the Joule cycle, results in maximum efficiency but very less specific work output. This trade-off is inherent in the cycle and represents a compromise between achieving high efficiency and obtaining a significant amount of work output.
In a Joule cycle, the maximum pressure ratio corresponds to the maximum to minimum cycle temperature ratio. This relationship is significant as it affects the efficiency and specific work output of the cycle. Let's explore the implications of this relationship in more detail:
1. Joule Cycle Overview:
- The Joule cycle, also known as the constant volume heat addition cycle or the Bell Coleman cycle, is an idealized thermodynamic cycle used to analyze gas turbine engines and air refrigeration systems.
- It consists of two isentropic processes (adiabatic and reversible) and two isochoric processes (constant volume).
2. Maximum Pressure Ratio:
- The maximum pressure ratio refers to the ratio of the highest pressure in the cycle (during compression) to the lowest pressure (during expansion).
- It represents the compression ratio of the cycle and determines the pressure difference across the compressor and turbine.
3. Maximum to Minimum Cycle Temperature Ratio:
- The maximum to minimum cycle temperature ratio refers to the ratio of the highest temperature in the cycle (during heat addition) to the lowest temperature (during heat rejection).
- It represents the temperature difference across the combustor and the heat exchanger.
4. Efficiency and Specific Work Output:
- Efficiency is a crucial parameter in any thermodynamic cycle and represents the ratio of useful work output to the energy input.
- In the case of the Joule cycle, the maximum efficiency is achieved when the temperature ratio is as high as possible, resulting in a larger temperature difference and better utilization of the input energy.
- However, as the temperature ratio increases, the specific work output decreases due to the decrease in the pressure ratio.
- The specific work output is the amount of work obtained per unit mass of the working fluid and is an important consideration in practical applications.
5. Conclusion:
Based on the above discussion, we can conclude that the use of the maximum pressure ratio, corresponding to the maximum to minimum cycle temperature ratio in the Joule cycle, results in maximum efficiency but very less specific work output. This trade-off is inherent in the cycle and represents a compromise between achieving high efficiency and obtaining a significant amount of work output.
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Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. Can you explain this answer?
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Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. 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 Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. 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 Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. Can you explain this answer?.
Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. 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 Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. 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 Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. Can you explain this answer?.
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Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. Can you explain this answer?, a detailed solution for Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of Use of maximum pressure ratio, corresponding to maximum to minimum cycle temperature ratio in case of Joule cycle gives which one of the following? a) Maximum efficiency but very less specific work outputb) Maximum efficiency and very high specific work outputc) Minimum efficiency and very less specific work outputd) Minimum efficiency but very high specific work output Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
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