【判断题】FMEA通过对每个元件的每个故障模式及影响开展一一分析,能够提供一个精确、细致的分析结果。
【单选题】下列各项热损失的描述哪项是不正确的( )。
A.
固体不完全燃烧热损失包括漏煤损失、飞灰损失和灰渣损失
B.
气体不完全燃烧热损失是由于烟气中部分可燃气体未燃烧放热就随烟气排出造成的热损失
C.
气体不完全燃烧热损失是由于燃料中可燃挥发分未燃烧放热就随烟气排出造成的热损失
D.
排烟损失指烟气温度高于进入锅炉的空气温度,由排烟带走的热量损失
【单选题】Until security has been provided the Contractor shall have a maritime lien on ______ for his remuneration.
C.
the property involved in the accident which gave rise to the salvage operations
D.
any other property in danger which is not and has not been on board the vessel
【单选题】Which one of the following statements is NOT the nosocomial infection?
A.
Doctors acquired the infection of a pathogen when they treated the patients in the hospital;
B.
A farmer was infected with H5N1 influenza A virus when he worked with the poultry in a farm;
C.
A farmer caught a cold when he visited a friend treated in a hospital;
D.
A farmer was transfused with blood cotaminated with HIV after bleeding much in an accident;
【多选题】加筋土挡土墙的使用范围和要求有()。
B.
加筋土挡土墙的高度在Ⅰ级干线上不宜大于15m
C.
安装直立式墙面板应按不同填料和拉筋预设仰斜坡,墙面不得前倾,坡度一般为1:0.02~1:0.05
D.
拉筋应具有粗糙面,并按设计布置水平铺设,当局部与填土不密贴时应铺砂垫平
E.
连续敷设的拉筋接头应置于其尾部;拉筋尾端宜用拉紧器拉紧,各拉筋的拉力应大体均匀,但应避免拉动墙面板
【单选题】静脉补钾时,尿量达到多少以上才可以静脉补钾( )
【单选题】排烟热损失是锅炉___排出的热烟气带走的物理热量占输入热量的百分率。
【单选题】排烟热损失是锅炉()排出的热烟气带走的物理热量占输入热量的百分率。
【单选题】Who is closer to you, your mom or dad?