What role does the generator play in an absorption refrigeration system?

In an absorption refrigeration system, the generator is crucial for the process of separating the refrigerant from the absorbent. When you consider the operation of the system, the generator is where the low-pressure refrigerant solution (often a mixture of refrigerant and absorbent) is heated. This heating causes the refrigerant to vaporize, which results in the formation of a strong liquor that contains a higher concentration of the absorbent.

Once the refrigerant is vaporized in the generator, it moves on to the condenser, where it is cooled and condensed back into liquid form. The importance of the generator lies in its role of providing the necessary energy input to facilitate the phase change from liquid to vapor, effectively regenerating the refrigerant to continue the cycle of absorption refrigeration.

Thus, the function of generating strong liquor from the refrigerant is a key component of the absorption refrigeration cycle, making this choice the correct answer.