【多选题】
标准节流装置测量方法的两大理论基础是___。
A. 能量守恒定律;
B. 工程热力学;
C. 楞次定律;
D. 流动连续性方程。
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相关试题
【多选题】
标准节流装置适用于___。
A. 截面形状任意的管道,单相流体且充满管道;
B. 截面形状为圆形的管道,单相流体且充满管道;
C. 截面形状任意的管道,任何流体且充满管道;
D. 截面形状为圆形的管道,单相流体不一定充满管道。
【多选题】
补偿导线与热电偶配套使用时应注意___。
A. 补偿导线必须与热电偶配套,不同型号的热电偶应选用不同的补偿导线;
B. 补偿导线与热电偶连接时应正极接正极,负极接负极;
C. 补偿导线与热电偶连接的两个接点必须同温;
D. 补偿导线与热电偶连接的两个接点可以不同温。
【多选题】
采用___法的超声波流量计能消除声源对测量的影响。
A. 传接速度差;
B. 相位差;
C. 时间差;
D. 声循环。
【多选题】
操作员站站号为___。
A. 50—79;
B. 50—80;
C. 10—49;
D. 10—50。
【多选题】
测量气体压力时,取压口高度高于测量点时,对读取的测量结果___。
A. 应加正修正;
B. 不需修正;
C. 应加负修正;
D. 无法决定。
【多选题】
测量压力的引压管的长度一般不应超过___。
A. 10mm;
B. 20mm;
C. 30mm;
D. 50mm。
【多选题】
测量粘度较大流体的压力时,在取压点与压力表之间应加装___。
A. 沉降器;
B. 排污阀;
C. 隔离器;
D. 冷凝器。
【多选题】
测量蒸汽流量时取压口应加装___。
A. 集汽器;
B. 冷凝器;
C. 沉降器。
【多选题】
测温范围在1000℃左右时,测量精确度最高的温度计为___。
A. 光学高温计;
B. 铂铑10--铂热电偶;
C. 镍铬--镍硅热电偶。
【多选题】
测温组件一般应插入管道___。
A. 5-10mm;
B. 越过管道中心5-10mm;
C. 100mm;
D. 任意长。
【多选题】
差压式流量计中节流装置输出差压与被测流量的关系为___。
A. 差压与流量成正比;
B. 差压与流量成反比;
C. 差压与流量成线性关系;
D. 差压与流量的平方成正比。
【多选题】
产生测量误差的原因主要有___。
A. 测量方法引起的误差;
B. 测量工具、仪器引起的误差;
C. 环境条件变化所引起的误差;
D. 测量人员水平与观察能力引起的误差。
【多选题】
常见PROFIBUS-DP网络故障原因有___。
A. 站地址设置不正确;
B. 终端匹配器故障;
C. 模块底座插针连接不牢;
D. DP线遭受强电干扰。
【多选题】
常用工业压力表的准确度等级有___。
A. 0.4级;
B. 1.0级;
C. 1.5级;
D. 2.5级。
【多选题】
常用体积流量单位有___。
A. m3/h;
B. L/h;
C. t/h;
D. Kg/h。
【多选题】
超声波换能器的最高温度一般有___三种。
A. 150℃;
B. 145℃;
C. 95℃;
D. 85℃。
【多选题】
超声波能在哪些介质中传波___。
A. 空气;
B. 真空;
C. 液体;
D. 固体。
【多选题】
传动机构中的组成___。
A. 拉杆;
B. 扇形齿轮;
C. 游丝;
D. 调整螺钉。
【多选题】
单圈弹簧管压力表调整环节包括___。
A. 调整杠杆的活动螺钉位置;
B. 转动传动机构,改变扇形齿轮与杠杆的夹角;
C. 调整游丝之间的宽度;
D. 调整游丝的长度。
【多选题】
弹簧管压力表的零位由___方法调整。
A. 重新调指针;
B. 示值调整螺钉;
C. 转动机芯。
【多选题】
弹簧管压力表量程偏大时则应___。
A. 逆时针转动机芯;
B. 将示值调整螺钉向内移;
C. 顺时针转动机芯。
【判断题】
技术质量部负责组织公司设备台账的建立和管理。
A. 对
B. 错
【判断题】
维抢修中心是设备台账的主体负责部门。
A. 对
B. 错
【判断题】
调度运行中心负责及时更新ERP 中设备台账信息。
A. 对
B. 错
【判断题】
维抢修中心负责将审核后的设备台账导入ERP。
A. 对
B. 错
【判断题】
设备台账应能反映设备的基础信息。
A. 对
B. 错
【判断题】
设备的编号、中文命名具体参照Q/TY 208403《设备命名管理办法》编制。
A. 对
B. 错
【判断题】
设备的专业、等级划分具体参照Q/TY 208401《设备分级分工管理标准》编制。
A. 对
B. 错
【判断题】
新增设备主要有基建工程新增设备、技改项目新增设备两类。
A. 对
B. 错
【判断题】
基建设备新增设备台账初稿完成后,移交维抢修中心,维抢修中心应按专业分工,在现场进行设备台账的校对,对台账的信息准确性负责,校对工作截止时间为设备台帐交付后1个月内。
A. 对
B. 错
【判断题】
检查审核工作应在收到维抢修中心校核后的设备台账两周内完成,并将审核后的台账移交给调度运行中心。
A. 对
B. 错
【判断题】
维抢修中心接到审核后的设备台账后,于两周内完成修改和录入ERP。
A. 对
B. 错
【判断题】
技改项目新增设备台账初稿完成后,移交维抢修中心,维抢修中心应按专业分工,在技改施工现场进行设备台账的校对,并对台账的信息准确性负责,校对工作截止时间为设备台帐交付后2个月内。
A. 对
B. 错
【判断题】
设备台账的修订首先由发现人告知维抢修中心对应专业班组,由维抢修中心班组长确认核实后在ERP 上进行更改。
A. 对
B. 错
【判断题】
维抢修中心负责特种设备的全面检验和年度检验外包申请及实施工作。
A. 对
B. 错
【判断题】
维抢修中心负责特种设备年度整改项目的落实。
A. 对
B. 错
【判断题】
维抢修中心负责审核特种设备技术档案和检查试验记录。
A. 对
B. 错
【判断题】
特种设备必须按《特种设备安全监察条例》规定,进行定期检验,合格后方可使用。
A. 对
B. 错
【判断题】
特种设备的年检,必须在上一次检验周期到期前的半个月或后半个月,向检验部门年检申请和预约。
A. 对
B. 错
【判断题】
特种设备在投入使用前或者投入使用后30日内,特种设备使用单位应当向直辖市或者设区的市的特种设备安全监督管理部门登记,取得使用登记证书。
A. 对
B. 错
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( ) 26. Where does the writer of "The little Prince" come from? A.England. B.France. C.America. D.China.
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( ) 27. What does the prince do after the fox tells him a secret? A.He cares more about a flower and a sheep. B.He meets many more strange adults on other planets. C.He realizes his love for the rose and he goes back to his planet.   D.He discovers interesting things such as a snake, other roses and a fox
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( ) 28. What does "The little Prince" mainly talk about? It' s about _________. A.the adult world B.the planet B -612 C.a rose and a fox D.the adventure of a young prince
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( ) 29. What is the writer's main purpose(目的)in writing this passage?    A.To tell the readers his life story.    B.To tell people what kind of person his father was.    C.To tell the readers what present he got from his father.    D. To let people know how poor he was.
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( ) 30. Why did the father not ask his son not to do this and do that?    A.Because he felt quite confident of his son.    B.Because he was born from a poor family.    C.Because he was a man of few words.    D.Because he didn't want to be much too strict with his son.
A. A
B. B
C. C
D. D
【单选题】
( ) 31. What would someone learn from this passage?    A.How to live by oneself. B.How to stand on one's own feet.    C.What a good father should do. D.What the self-important is like.
A. A
B. B
C. C
D. D
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage?    A.闲暇时光 B.学费 C.精神空虚 D.经济不足
A. A
B. B
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( ) 33. Why did Natalie Smith pay for the six cars behind her? A. She had seven tickets. B. She hoped to please others. C. She knew the car drivers well. D. She wanted to show kindness.
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【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ . A. thought it was beautifully written B. wanted to know what it really meant C. decided to write it on a warehouse wall D. wanted her husband to put it up in the classroom
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【单选题】
( ) 35. Who came up with the phrase according to the passage? A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
A. A
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( ) 36. What can we infer from the last paragraph? A. People should practice random kindness to those in need. B. People who receive kindness are likely to offer it to others. C. People should practice random kindness to strangers they meet. D. People who receive kindness are likely to pay it back to the giver.
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【单选题】
( ) 37.The greatest river for navigation is ___________. A. the Nile B. the Amazon C. the Mekong D. the Mississippi
A. A
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( ) 38. From a dam, people can use the water for ___________. A. keeping the rivers clean B. only making electricity C. irrigation and making electricity D. washing clothes
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( ) 39. The water in the river is polluted because of _____________. A. people's drinking water too much B. people's swimming in the river too much C. chemicals and other materials D. people's building a dam across a river
A. A
B. B
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( ) 40. The best title of the passage is ___________. A. Rivers in Cities B. The importance of Rivers C. Transportation D. Natural Resources
A. A
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