【单选题】
以下说法正确的是___
A. 主汽提塔101-I进口污水有两路进塔。
B. 主汽提塔101-I重沸器使用了低压蒸汽加热。
C. 主汽提塔101-I属于填料塔。
D. 主汽提塔101-II重沸器使用了中压蒸汽加热。
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答案
D
解析
暂无解析
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【单选题】
下列关于换热器的操作正确的是___
A. 投用时先进冷态，后进热态
B. 投用时先进热态，后进冷态
C. 换热器不用时，需将换热器进出口手阀全关
D. 换热器不用时，需将换热器进出口手阀全开。
【单选题】
安全阀的开启压力不得超过容器___，一般按设备的操作压力再增加( )来进行调整。
A. 最大压力；10~15%
B. 设计压力；10~15%
C. 最大压力；5~10%
D. 设计压力；5~10%
【单选题】
引循环水时将冷换设备的操作不正确得是___。
A. 冷换设备出口前的放空阀打开将管道和冷换设备内的空气赶走
B. 引循环越慢越好
C. 先引介质再引循环水
D. 先将循环水冷换设备中垃圾吹扫掉
【单选题】
___可在容器或者管道压力突然升高尚未引起爆炸前先行破裂，排出设备或者管道高压介质，从而防止设备或者管道破裂的一种安全泄压装置
A. 爆破片
B. 安全阀
C. 呼吸阀
D. 减压阀
【单选题】
下列关于换热器的作用错误的是___。
A. 改变物料的相态及温度
B. 进行能量回收
C. 维持设备内必要的工作温度，以保证设备运行的安全性与适宜操作条件
D. 主要起冷却的作用
【单选题】
下列关于换热器的操作正确的是___。
A. 投用时先进冷态，后进热态
B. 投用时先进热态，后进冷态
C. 换热器不用时，需将换热器进出口手阀全关
D. 换热器不用时，需将换热器进出口手阀全开
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【单选题】
Q1: What does the man suggest that the woman do this weekend?___
A. Read J .K .Rowling's first book .
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【单选题】
Q2: Where did J. K. Rowling come up with the idea for Harry Potter?___
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【单选题】
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【单选题】
Q4: What are the two speakers mainly talking about?___
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【单选题】
Q1: What happened when Stephen tried to remove a bottle of milk from the refrigerator?___
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【单选题】
Q2: What did Stephen’s mother do when she came into the kitchen？___
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【单选题】
Q3: What did Stephen’s mother teach him later?___
A. How to do an experiment .
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【单选题】
Q4: What did Stephen learn from this experience?___
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【单选题】
Q1: Why is surfing the man’s favorite activity?___
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【单选题】
Q2: What is the woman going to do this weekend?___
A. To go sailing .
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【单选题】
Q3: What does the woman love doing?___
A. Going to visit relatives.
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【单选题】
Q4: What does the man remember doing with his brothers?___
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【单选题】
Q1: According to the survey, what percentage of British adults watched TV in theirfree time?___
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【单选题】
Q2: Which age group would be the most likely to visit their friends and relatives?___
A. People aged 16 to 24
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C. People aged 16 and over .
D. People aged 55 and over .
【单选题】
Q3: What does the speaker say about listening to music as a leisure activity for British people?___
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【单选题】
Q4: According to the survey, how are leisure activities related to age?___
A. Older people go out to pubs more often . frequently .
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【单选题】
Q1: Why was the girl excited?___
A. She is going to have a lot of vanilla ice cream .
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【单选题】
Q2: What happened when the man was 13 years old?___
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【单选题】
Q3: Why did the man’s mom give him a big hug?___
A. To make him feel better after he lost the first prize .
B. To apologize for not buying him some ice cream .
C. To wish him good luck in the next competition .
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【单选题】
Q4: What color is the girl going to wear for her next competition?___
A. Red .
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C. Green .
D. Yellow .
【单选题】
Q1: What is this passage mainly about?___
A. Superstitions and science .
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【单选题】
Q2: According to the passage, what is considered as bad luck?___
A. Walking under a ladder .
B. Dreaming of a black cat .
C. Hanging a mirror in the house .
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