A Carnot heat engine runs between a cold reservoir at temperature T_C and a hot reservoir at temperature T_H. You want to increase its efficiency. Of the following, which change results in the greatest increase in efficiency? The value of $\Delta$T is the same for all changes. A) Raise the temperature of the hot reservoir by $\Delta$T B) Raise the temperature of the cold reservoir by $\Delta$T C) Lower the temperature of the hot reservoir by $\Delta$T D) Lower the temperature of the cold reservoir by $\Delta$T E) Lower the temperature of the hot reservoir by (1/2)$\Delta$T and raise the temperature of the cold reservoir by (1/2)$\Delta$T

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The Answer of A Carnot heat engine runs between a cold reservoir at temperature T_C and a hot reservoir at temperature T_H. You want to increase its efficiency. Of the following, which change results in the greatest increase in efficiency? The value of $\Delta$T is the same for all changes. A) Raise the temperature of the hot reservoir by $\Delta$T B) Raise the temperature of the cold reservoir by $\Delta$T C) Lower the temperature of the hot reservoir by $\Delta$T D) Lower the temperature of the cold reservoir by $\Delta$T E) Lower the temperature of the hot reservoir by (1/2)$\Delta$T and raise the temperature of the cold reservoir by (1/2)$\Delta$T

A Carnot Heat Engine Runs Between a Cold Reservoir at Temperature