Question

    Rapid precooling

    method:
    A Forced air Cooling Correct Answer Incorrect Answer
    B Hydro Cooling Correct Answer Incorrect Answer
    C Vacuum Cooling Correct Answer Incorrect Answer
    D Evaporative Cooling Correct Answer Incorrect Answer

    Solution

    Vacuum cooling rapidly removes heat via water evaporation under low pressure. Ideal for leafy greens (lettuce), achieving 10x faster cooling than forced air. 

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