某炼钢厂除尘风机电动机额定功率为P=2100kW,额定转速n=1500r/min,额

题型:单项选择题

问题:

某炼钢厂除尘风机电动机额定功率为P=2100kW,额定转速n=1500r/min,额定电压10kV。除尘风机额定功率为P=2000kW,额定转速n=1491r/min,根据工艺状况,工作在高速或低速状态,高速时的转速为1350r/min,低速时的转速为300r/min,年作业320天,每天24h;进行方案设计时,需做液力耦合器调速方案和变频器调速方案的技术比较,变频器效率为0.98,忽略风机、电动机效率和功率因数的影响,请回答下列问题,并列出解答过程。 若电机工作在额定状态,液力耦合器输出转速为300r/min时,电动机的输出功率是多少?()

A.380kW

B.402kW

C.420kW

D.444kW

考点:注册电气工程师供配电专业注册电气工程师供配电专业考试
题型:单项选择题

以票谋私金额()以上,按《铁路路风管理办法》规定,可定为重大路风事件。

A.2000元

B.3000元

C.4000元

D.5000元

题型:单项选择题


It is clear that we are rapidly becoming a global culture. New forms of information technology, intercontinental travel, and the complex nature of economics are all elements in such a change. Japan, an ancient (1) culture, now dominates the West economically while its own traditional (2) is rapidly becoming (3) in the process.
It does not take a great deal of analysis to see the vast interchanges of cultural influences in the world today. The thirst for (4) fashions, popular music, and the other elements of consumer culture (5) great inroads in non-Western lands while the West seeks out everything from the religious traditions of the Ease (6) the art and music these countries produce. In the field of (7) , to cite one conspicuous example, contemporary readers seek books (8) those of the West. Latin American authors, as well as those from Africa, Asia, and India, now find appreciative audiences.
A (9) culture does not mean a unitary or "one world" culture. It does mean that people are increasingly aware of the diversity of culture. World events enter our living rooms so that things that may once have been (10) of as distant (11) now greet us immediately and in color. We may watch those events on a television made in Japan while wearing clothes sewn in Thailand and shoes made in Hungary while snacking (12) food grown in Mexico. Such an economic interdependence reflects the reality of a global banking system, the globalization of the economy, and the increasing (13) of information and information technologies.
(14) has this shrinking of distances (and attitudes) become more clear than in the academic debates over what constitutes a liberal (15) education today. Is it possible (or desirable) to have the Western core of humanities (16) the center-piece of a curriculum The place of non-Western and non-traditional cultures as part of the general (17) of a student is hotly argued in educational circles. The very fact of that discussion (18) to the emergence of a global consciousness with a continued shrinking of parochial attitudes. The (19) that such globalization is hotly debated only emphasizes the profound nature of the (20) taking place in our culture.

题型:单项选择题

第63—69 题为套题:甲公司是一家纺织公司,员工以年轻女工为主,总数为1500 人。该公司申请投保团体寿险、团体健康保险和团体意外伤害保险,其中员工配偶、子女参保比例为56%。乙公司是一家通信设备研发公司,员工以男性为主,员工总数800 人。该公司申请投保团体寿险、团体健康保险,其中员工配偶、子女的参保比例为78%。这些团险由公司完全负担保费。丙公司是一家电脑软件公司,员工总数50 人,投保团体健康保险。

保险公司对甲公司所有被保险人制定了同样的保险金额,这样做的主要目的是为了( )。

A.防止骗保

B.节省甲公司成本

C.简化核保手续

D.减少逆选择行为

题型:单项选择题

车轮动不平衡有可能会导致()。

A.汽车在所有速度均产生剧烈振动

B.汽车转向沉重

C.汽车低速行驶稳定性差

D.汽车在某一速度范围内产生振动

题型:单项选择题

在使用某一种语言的社团瓦解的时候,这种语言并不是立即消失的,而往往要经过一个()的过渡阶段

A.单语

B.双语

C.三语

D.四语

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