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15. If a Carnot engine is working with source temperature 227°C and sink temperature 27°C, its efficiency will be :​
  • a)
    40 %   
  • b)
    10 %   
  • c)
    67 %   
  • d)
    50 %
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
15. If a Carnot engine is working with source temperature 227°C an...
The efficiency of a Carnot engine is given by,
n = 1 - (t/T)  where, t = temperature of sink (in K) = 300 K 
                               T = temperature of source (in K) = 500 K
n = 1 - (300/500)
   = 1 - 0.6
   = 0.4
Therefore, the efficiency of this Carnot engine is 40%
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Community Answer
15. If a Carnot engine is working with source temperature 227°C an...
The question is incomplete as the source temperature is not specified. Please provide the source temperature to continue with the calculation.
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