问题 问答题 简答题

IRTS(中间转移系统)手动接料的操作?

答案

参考答案:

1.确认系统置换完毕。

2.确认IRTS过滤器压力小于0.169,IRTS压力小于0.169,过滤器差压小于250mm水柱。

3.现场开关投在RUN,选择开关投在”IMPACT”位置。

4.确认模式选择开关在OFF位置。

5.现场外操事先做好准备,当上一次PDS出料完成,外操现场切换三通阀。

6.模式选择开关切到手动,开BB,EE,确认CC开,其它阀关闭。

7.确认PDSE阀出料完成,E阀关,达到重力接料时间,关BB和EE。

8.关CC,开DD加压,达到加压时间,确认差压比反应器高7kpa。

9.开AA出料,确认料位空并达到最小出料时间。

10.关AA和DD,开JJ泄压到压力低于0.169,确认CC开。

11.关JJ,开BB,EE,等待下次出料。

阅读理解

阅读理解。

     Mrs. Allen's husband died ten years ago when her son and daughter were still in high school. Mr.

Allen had left some money, and since Mrs. Allen had managed a bookstore before she was married,

she took the money and bought a shop in town. Later she moved the shop out to the shopping center.

    She was a pleasant woman; she worked hard and was well-informed about books, and so the

bookstore prospered(生意兴隆) and she was able to hire a friend to help her.

    Laura Barnes, Mrs. Allen's friend and assistant, was also a widow. She had some free time and

the need for a little extra-money, and so she took the job in the bookstore. She was too clever and

friendly, and the two women were well-known in the neighborhood as "Mrs. A" and "Mrs. B"

1.  How many people in all were there in the two women's families? ______.

A. At least 8      

B. At least 7      

C. At least 6      

D. At least 4

2. The bookstore prospered ______.

A. after Mrs. Allen lost control of it

B. before Mrs. A got to know Mrs. B

C. because the two women had little housework to do

D. because Mrs. A became expert at management and threw herself into it

3.  Why did Mrs. A hire Mrs. B? ______. 

A. Mrs. B asked for very little pay

B. She believed that Mrs. B was the very person to help her to improve management

C. Mrs. B was a friend of hers

D. She was also that kind of woman like her

4. Which of the following is true? ______.

A. Mrs. A set up her bookshop in the shopping center

B. Mr. Allen was dead but Mr. Barnes alive

C. Mrs. A managed to set another bookstore with Mrs. B

D. The two children of Mrs. A were of the same age

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