A_Carnot_engine,_whose_sink_is_at_300_K,_has_an_efficiency_of_40%._By_how_much_should_the_temperature_of_source_be_increased,_so_as_to_increase_the_efficiency_by_50%_of_original_efficiency?$

A_Carnot_engine,_whose_sink_is_at_300_K,_has_an_efficiency_of_40%._By_

1.	A_Carnot_engine,_whose_sink_is_at_300_K,_has_an_efficiency_of_40%._By_how_much_should_the_temperature_of_source_be_increased,_so_as_to_increase_the_efficiency_by_50%_of_original_efficiency?$
A.	380 K
B.	275 K
C.	325 K
D.	250 K
Answer» E.

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A_Carnot_engine,_whose_sink_is_at_300_K,_has_an_efficiency_of_40%._By_how_much_should_the_temperature_of_source_be_increased,_so_as_to_increase_the_efficiency_by_50%_of_original_efficiency?$

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