第24题: [单项选择]在某城市建一座焚烧炉,其排气筒高32m,排气简上出口内径为1m,实际排烟率为11.28m3/s,排气筒出口处的烟气温度为177℃,当年气象台观测近年来该高度处的平均气温为10℃,地面平均风速为4m/s,气压为1006hPa,常年盛行稳定度为D级,则烟气的抬升高度是(
)m。 A. 13.56 B. 9.26 C. 10.45 D. 16.67 参考答案:A
第33题: [单项选择]Which of the following is a disadvantage of coal fires() A. It is rather expensive. B. It cannot provide enough hot water. C. It cannot be used for heating the living room. D. It produces a lot of work and dust. 参考答案:D 答案解析:
细节题 根据A good one would give you all the hot water you need for the kitchen and for baths, and