试题与答案

某车间的内区室内空气设计计算参数为:干球温度20℃,相对湿度60%,湿负荷为零,交付

题型:单项选择题

题目:

某车间的内区室内空气设计计算参数为:干球温度20℃,相对湿度60%,湿负荷为零,交付运行后,发热设备减少了,实际室内空调冷负荷比设计时减少了30%,在送风量和送风状态不变(送风相对湿度为90%)的情况下,室内空气状态应是下列何项(工程所在地为标准大气压,计算时不考虑围护结构的传热)()。

A.16.5~17.5℃,相对湿度60%~70%

B.18.0~18.9℃,相对湿度65%~68%

C.37.5~38.5kJ/kg干空气,含湿量为8.9~9.1g/kg干空气

D.42.9~43.1kJ/kg干空气,含湿量为7.5~8.0g/kg干空气

答案:

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参考答案:D

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