Chemistry - Thermodynamics - II Question with Solution | TestHub
ChemistryThermodynamics - IICarnot Cycle/Cyclic processMedium2 minQB
ChemistryMediumsingle choice
The efficiency of a Carnot cycle is 1/5. When the temperature of the sink is lowered by 60°C, the efficiency becomes 2/5. The temperature of the source is
Options:
Answer:
A
Solution:
Tc/Th = 4/5. After lowering: (Tc - 60)/Th = 3/5. Subtract: 60/Th = 1/5, so Th = 300 K = 27°C. Matches (a).
Stream:JEESubject:ChemistryTopic:Thermodynamics - IISubtopic:Carnot Cycle/Cyclic process
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