Solved A standard rice cooker has both functions of cooking

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A standard rice cooker has both functions of cooking and keeping warm. The cooker consists of several parts and features such as the main body, cooking pan, heating plate, thermal sensing device and program menu. Even though it is considered as a simple cooking equipment, it is highly related to the application of thermodynamics. Using your understanding of thermodynamics principles: FIGURE 1 Cross-sectional View of a Rice Cooker a. Select and sketch a possible thermodynamic system that can be drawn from the above equipment. (5 marks) b. Demonstrate the cooking process on a thermodynamic T.V diagram and describe in details the cooking process that occurs in the equipment (5 marks) C. Elaborate and justify all the assumptions which you have made for the cooking process that you have described above. (6 marks) d. Based on your system diagram and your assumption(s), derive the possible energy balance equation for the cooking process in the rice cooker. (9 marks)

Rice cookers consist of a main body, which includes the heating plate and buttons, and a removable pot, which fits into the body and holds the rice you&#;d like to cook. After each use, unplug the appliance and let it cool before cleaning.

Start with the pot. Gently scrub away gummy residue with a nonabrasive sponge. The pot may be dishwasher-safe. Otherwise, rinse it and wipe it dry.

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If rice remains stubbornly stuck to the surface, soak the rice cooker in warm water and dish soap before scrubbing again. Ginny Lui, who leads kitchen appliance testing at CR and uses a rice cooker at home, says she lets it soak for 5 minutes while she turns her attention to washing her other dishes.

To make cleaning the pot easier in the future, minimize the use of the &#;keep warm&#; function. Using that feature in our tests sometimes resulted in rice being almost baked onto the bottom and sides of the bowl, says Larry Ciufo, CR&#;s senior test project leader for rice cookers.

Worth noting: While nonstick rice cooker pots may often be easier to clean, they&#;like other nonstick cookware&#;could contain PTFE, a harmful PFAS chemical, which breaks down very slowly, if at all, and can be harmful to your health and the environment.

If you see peeling or scratching on the pot&#;s nonstick coating, get rid of the pot. You may be able to buy a new one on the manufacturer&#;s website (or elsewhere online) instead of paying for an entirely new rice cooker. Consider a rice cooker that has an aluminum or stainless steel pot.

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