HKCEE Physics

2007-12-12 8:39 am
State three examples of applying the cooling effect of evaporation.(No any examples which are related to living things' bodies)

回答 (2)

2007-12-13 6:50 am
✔ 最佳答案
1. Refrigerators coolants--- heat is transferred from food to coolant, heated coolant rises and transfers heat to air by EVAPORATION; then coolant goes back to down and repeats cycle.
2. Car engines--- engine heat goes to water, and water heat transfers heat to air via the radiator(fan) by EVAPORATION
3. Nuclear Power Stations--- heat in power generation transferred to water, heated water goes into sea or EVAPORATED into air
參考: MYSELF
2007-12-13 1:27 am
1.car engines
2.water bottles
3.coastal cities
參考: book


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