Carnot efficiency when the source or sink temperature is changed

1. A.
   $174^{\circ}C$
2. B.
   $280^{\circ}C$
3. C.
   ${180.4}^{\circ}C$
4. D.
   $382^{\circ}C$

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1. A.
   Increases by $18^{\circ}C$
2. B.
   Increase by $200^{\circ}C$
3. C.
   Increase by $120^{\circ}C$
4. D.
   Increase by $73^{\circ}$

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1. A.
   $166.7\text{ }K$
2. B.
   $255.1\text{ }K$
3. C.
   $266.7\text{ }K$
4. D.
   $367.7\text{ }K$

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1. A.
   $300\text{ }K$
2. B.
   $900\text{ }K$
3. C.
   $1000\text{ }K$
4. D.
   $360\text{ }K$

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1. A.
   $66\text{ }K$
2. B.
   $62\text{ }K$
3. C.
   $33\text{ }K$
4. D.
   $16.5\text{ }K$

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