某管道安装工程项目。该管道工程属于超高层建筑管道工程,由于施工项目经理部严格执行超高

题型:问答题

问题:

某管道安装工程项目。该管道工程属于超高层建筑管道工程,由于施工项目经理部严格执行超高层建筑管道施工的技术要点,使得工程进展非常顺利,施工质量达到各项要求。管道安装完毕后,对其进行了系统试验,试验时的有关实施过程如下:

(1) 采用闪点为40℃的可燃液体介质对管道进行液压试验;

(2) 在进行液压试验时其环境温度为2℃;

(3) 在进行气压试验时,承受内压钢管的试验压力为设计压力的2.15倍;

(4) 泄漏性试验合格后进行真空度试验。

管道泄漏性试验时对试验介质和试验压力有何规定?

考点:二级建造师机电工程机电工程管理与实务
题型:问答题

It was Jimmy's birthday, and he was five years old. He got quite a lot of nice birthday presents from his family, and one of them was a beautiful big drum(鼓).

"Who gave him that thing?" Jimmy's father said when he saw it. "His grandfather did," answered Jimmy's mother. "Oh," said his father. Of course , Jimmy liked his drum very much. He made a terrible noise(噪音) with it, but his father did not mind(介意). His father was working during the day, and Jimmy was in bed when he got home in the evening, so he did not hear the noise.

But one of the neighbors(邻居) did not like the noise at all , so a few days later, she took a sharp(锋利的) knife and went to Jimmy's house while Jimmy was hitting(击打) his drum. She said to him, "Hello, Jimmy. Do you know, there's something very nice inside your drum. Here's a knife. Open the drum and let's find it. "

小题1:Jimmy got quite a lot of nice presents from his ________ .

A.classmates

B.friends

C.teachers

D.family小题2:Who gave Jimmy the drum? ________ .

A.His father

B.His mother

C.His neighbor

D.His grandfather小题3:Why did Jimmy's father not stop him making a noise with the drum? Because________.

A.He liked Jimmy very much

B.he didn't mind it.

C.Jimmy was in bed

D.Jimmy only played in the evening小题4:One of the neighbors ________ .

A.liked Jimmy very much.

B.enjoyed listening to the sound of the drum.

C.wanted to show Jimmy a sharp knife.

D.didn't like the noise at all.小题5:What did Jimmy's neighbor really want him to do? To ______.

A.stop him making noises

B.make a noise on his drum with a knife

C.show him how to hit the drum

D.find something nice in his drum

题型:问答题

采用背俞穴治疗皮肤痒疹,应首选

A.肝俞
B.肺俞
C.脾俞
D.三焦俞
E.心俞

题型:问答题

自动闭塞区段,装有容许信号的通过信号机显示停车信号时,准许铁路局规定停车后起动困难的()列车在该信号机前不停车,按规定运行。

A、货物

B、客运

C、超长

D、超限

题型:问答题

在编排成套徒手操动作时,首先要考虑的是()。

A.全面性

B.科学性

C.目的性

D.创造性

题型:问答题

一个战略业务单位只能包括一个部门。

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