what is the efficiency of Carnot engine when temperature of source and sink are equal.
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For a Carnot engine when temperature of source and sink are equal.
➡️The thermal efficiency will be Zero ( 0 ).
➡️ If temperature of both the source and sink are same then there is no heat engine. It will not work. A cyclic process will not be achieved.
➡️Further in a reversible cycle (Carnot engine) net change in entropy is zero.
Know More :
In any practical heat engine which are used in vehicles (with two reservoirs) cycle is irreversible hence net entropy change is always non zero.
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The efficiency of a Carnot's engine at a particular source and sink temperature is 12 . When the sink temperature is reduced by 100∘C, the engine efficiency, becomes 23.
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