【Utility Engineering – HVAC Version】20181102
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Which of the following statements about cooling ceilings is incorrect? () A. Heat transfer in a cooling ceiling occurs through radiation and natural convection. B. The temperature difference between the supply water and return water in a cooling ceiling is 5°C. C. Cooling ceilings can be used for cooling purposes in both residential buildings and industrial facilities. D. The supply water temperature for cooling ceilings needs to be relatively high. Answer: B
D. The water supply temperature for cooling ceilings requires to be high
B. The temperature difference between the supply and return water in the cooling ceiling is 5℃
B. The temperature difference between the supply and return water in the cooling ceiling is 5℃
B. The temperature difference between the supply and return water in the cooling ceiling is 5℃