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Sub-cooling in a vapour compression cycle
  • a)
    Increases the required work and refrigeration effect
  • b)
    Decreases the required work and refrigeration effect
  • c)
    Does not affect the required work and increases the refrigeration effect
  • d)
    Increases the required work and decreases refrigeration effect
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Sub-cooling in a vapour compression cyclea)Increases the required wor...
Subcooling is the process of cooling the liquid refrigerant below the condensing temperature for a given pressure.
The difference between the saturation temperature and the temperature of sub cooled liquid at that pressure is called the Degree of subcooling.
Subcooling is beneficial as it increases the refrigeration effect by reducing the throttling loss at no additional specific work input.
Also, subcooling ensures that only liquid enters the throttling device leading to its efficient operation.
Effect of Subcooling:
  • Increase the refrigeration effect
  • Work input remains same
  • Increase in COP
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Sub-cooling in a vapour compression cyclea)Increases the required work and refrigeration effectb)Decreases the required work and refrigeration effectc)Does not affect the required work and increases the refrigeration effectd)Increases the required work and decreases refrigeration effectCorrect answer is option 'C'. Can you explain this answer?
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Sub-cooling in a vapour compression cyclea)Increases the required work and refrigeration effectb)Decreases the required work and refrigeration effectc)Does not affect the required work and increases the refrigeration effectd)Increases the required work and decreases refrigeration effectCorrect answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Sub-cooling in a vapour compression cyclea)Increases the required work and refrigeration effectb)Decreases the required work and refrigeration effectc)Does not affect the required work and increases the refrigeration effectd)Increases the required work and decreases refrigeration effectCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Sub-cooling in a vapour compression cyclea)Increases the required work and refrigeration effectb)Decreases the required work and refrigeration effectc)Does not affect the required work and increases the refrigeration effectd)Increases the required work and decreases refrigeration effectCorrect answer is option 'C'. Can you explain this answer?.
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