An engineer uses a river (which averages 4$^{\circ}$C)to cool his electrical plant which heats water with a boiler operating at 750$^{\circ}$C .What's the maximal performance (in terms of efficiency)theoretically possible for this electrical plant?
A) 64%
B) 36%
C) 27%
D) 73%

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The Answer of An engineer uses a river (which averages 4$^{\circ}$C)to cool his electrical plant which heats water with a boiler operating at 750$^{\circ}$C .What's the maximal performance (in terms of efficiency)theoretically possible for this electrical plant?
A) 64%
B) 36%
C) 27%
D) 73%

An Engineer Uses a River (Which Averages 4 ∘^{\circ}∘ C)to Cool His Electrical Plant Which Heats Water with a Cool

An Engineer Uses a River (Which Averages 4 $^{\circ}$ C)to Cool His Electrical Plant Which Heats Water with a Cool