Question: 1. In a mechanical cooling system using R-717, the evaporation temperature is -5 C and the condensation temperature is 40 C. Raising the evaporation temperature

1. In a mechanical cooling system using R-717, the evaporation temperature is -5 C and the condensation temperature is 40 C. Raising the evaporation temperature to 5 "C while keeping the condensation temperature constant;

a) Calculate and interpret the change in the cooling effect of the fluid as %.

b) Calculate and interpret the change in performance coefficient as %.

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