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【单选题】
船员凡离船出港区应向本部门负责人或船舶领导人请假,后及时销假,船员最在开航前_____h返舶。
A.
0.5
B.
1
C.
1.5
D.
2
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【单选题】根据下列条件,回答 41~46 题: 某焊接工字形等截面简支楼盖梁,截面尺寸如题图,无削弱。在跨度中点和两端都设有侧向支承,材料为16Mn钢。集中荷载标准值Pk=330kN,为间接动力荷载,其中永久荷载效应和可变荷载效应各占一半,作用在梁的顶面,其沿梁跨度方向的支承长度为130mm。16Mn钢强度设计值f=315N/mm2,fv=185N/mm2。 第 41 题 受压纤维截面的抵抗矩是( )。
A.
5547cm3
B.
3586cm3
C.
5107cm3
D.
4006cm3
【简答题】IV. 完成2020年1月浙江高考题完型 I was born legally blind. Of all the stories of my early childhood, the one about a 36 is my mother’s favorite. I was only two when the 37 occurred. We had just arrived home from ...
【简答题】Wang Li' s father has taught English here since he graduated from Peking university. 2. Please give this book to whoever comes first. 3. Though it was late. They kept on working. 4. Bill hit his car i...
【简答题】Write when or while to complete each sentence. 1. I saw a car accident ____________ I was walking home from school. 2. I was really surprised ____________ I saw who it was. 3. It was my Uncle Joe! He ...
【简答题】A taxi passenger ____1___(tap) the driver __2__ the shoulder to ask him a question. The driver screamed, lost___3____ (控制) of the car, nearly __4___(hit) a bus, went up on the footpath, and stopped ce...
【简答题】VI . 完形填空 ( 每小题 1 分,共 10 分 ) 先通读下面的短文,掌握其大意,然后从 A 、 B 、 C 、 D 四个选项中选择可以填入空白处的最佳答案。 It is eight o’clock on a Saturday morning. The doors of the animal hospital are 36 . A little girl called Emily 37 a ...
【简答题】根据应力作用方向、焊接应力可分为()向应力和()向应力。
【判断题】【背景资料】某大厦占地12096.47平方米,总建筑面积71054平方米。该建筑分塔楼、裙楼两部分,塔楼地上27层,檐高19.175米,地上建筑面积55054平方米。地下2层,局部3层,共16000平方米。塔楼为现浇钢筋混凝土框架-筒体结构,基础为箱型基础,裙楼为现浇钢筋混凝土框架-剪力墙结构,基础为筏形基础。该工程混凝土均采用商品混凝土,墙、柱中的竖向钢筋采用电渣压力焊连接;梁、板中的水平钢筋,...
A.
正确
B.
错误
【单选题】根据《压力容器安全技术监察规程》规定,圆筒形压力容器的纵向焊接接头的产品焊接试板( )作为筒节纵向焊接接头的延长部分,采用与施焊压力容器相同的条件和焊接工艺连续焊接。
A.
B.
不应
C.
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【简答题】根据应力作用方向,焊接应力可分为 向应力和 向应力。
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