The refrigeration machine operates in a reversible cycle, consisting of two branches (figure): polytrope I and process II, in which the entropy of the working substance decreases with increasing temperature as a linear function. The equation of state of the working substance is unknown. The ratio of the maximum and minimum absolute temperatures of the working substance in the cycle is a = 1.1. Determine the amount of heat removed from the refrigeration chamber for each joule of work expended.
Answer. Format gif
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