相关试题
【判断题】
发现压力表指示超过红线,但未超过量程,仍可以使用
【判断题】
就地液面计投用时必须检查放空阀是否关闭,然后才可以开引出阀
【判断题】
对于组分挥发度相差较大、分离要求不高的场合,可采用平衡蒸馏或简单蒸馏
【判断题】
装置漏油、漏瓦斯不准开车,漏水则无所谓
【判断题】
采样时需要携带便携式硫化氢报警仪,装置正常巡检可以不带
【判断题】
装置瞬间跳电,机泵会自启动,不需要操作人员去作调节
【判断题】
发生大风事故时,若管线未经过加固,有可能造成管线被拉断的情况
【判断题】
硫磺的流动性随温度的升高而变化,温度越高,流动性越好
【判断题】
二氧化硫易溶于水,而生成亚硫酸,亚硫酸是中强酸,对设备腐蚀很严重
【判断题】
管线的吹扫原则是顺流程走向,先主线后支线,由低向高吹扫
【判断题】
酸性气中的NH3主要是由污水汽提装置的酸性气带来的
【判断题】
快速切断阀达到所需要的全开或全关位置,阀门运行时会发出声音,可就声音判断阀门是否动作
【判断题】
溶剂再生塔顶回流罐液面上涨较快首先应该确定塔顶回流泵是否完好
【判断题】
装置停工检修要把好吹扫关、安全关、质量关
【判断题】
装置开工前必须对介质为酸性气的管线和设备进行氮气气密性试验
【判断题】
在开车过程中,冷却器在投用时,发生气阻时可以将循环水改就地直排
【判断题】
蒸汽扫线时,可以同时扫多根管线,以节省停工吹扫时间
【判断题】
用氮气气密捉漏的管线用耳朵听有没有异常声音就可以判断泄漏点
【判断题】
用蒸汽气密捉漏的管线用肉眼观察是否有蒸汽泄漏就可以判断泄漏点
【判断题】
若冷却器出口的循环水放空出现夹带气相,冷却器可能发生泄漏
【判断题】
盲板的主要作用是将生产介质完全分隔,防止切断阀关闭不严或内漏影响生产
【判断题】
1.0MPa蒸汽由于温度比较高,会产生“水击”,0.3MPa蒸汽就不会
【判断题】
装置引蒸汽过快,会产生液击现象损坏管线和设备
【判断题】
液硫管线伴热夹套的检查,只需摸管线发烫即可
【判断题】
液硫进硫池的管线需要有一定坡度,故其夹套伴热蒸汽的流向也需要一致,即蒸汽由夹套上部引入,冷凝水由夹套下部排出
【判断题】
贫液过滤器组更换滤芯时,要经过水洗或蒸汽吹扫
【判断题】
机泵振动超标一般都伴有异常声响,外操可以以此来初步判断
推荐试题
【多选题】
党对统一战线的领导主要是政治领导,即___的领导,主要体现为党委领导不是部门领导、集体领导而不是个人领导。
A. 政治原则
B. 政治方向
C. 重大方针政策
D. 具体工作
【多选题】
党的纪律主要包括政治纪律、组织纪律、___、工作纪律和生活纪律。
A. 廉洁纪律
B. 干部纪律
C. 作风纪律
D. 群众纪律
【单选题】
The two main islands of the British Isles are .
A. A. Great Britain and Ireland
B. B. Great Britain and Scotland
C. C. Great Britain and Wales
D. D. Great Britain and England
【单选题】
2. is the capital city of Scotland.
A. A. Belfast
B. B. Edinburgh
C. C. Aberdeen
D. D. Cardiff
【单选题】
According to a 2005 estimate, Britain now has a population of over million.
A. A. 160
B. B. 600
C. C. 60
D. D. 16
【单选题】
Among the four parts of the United Kingdom, is the smallest.
A. A. England
B. B. Scotland
C. C. Wales
D. D. Northern Ireland
【单选题】
Almost a quarter of the British population lives in England.
A. A. northeastern
B. B. southeastern
C. C. northwestern
D. D. southwestern
【单选题】
English belongs to the group of Indo-European family of languages.
A. A. Celtic
B. B. Indo-Iranian
C. C. Germanic
D. D. Roman
【单选题】
The introduction of Christianity to Britain added the first element of words to English.
A. A. Danish and Finnish
B. B. Dutch and German
C. C. French and Italian
D. D. Latin and Greek
【单选题】
The evolution of Middle English was reinforced by the influence.
A. A. Norman
B. B. Dutch
C. C. German
D. D. Danish
【单选题】
In Britain, the parliamentary general election is held every years.
A. A. three
B. B. four
C. C. five
D. D. six
【单选题】
has a distinct legal system based on Roman law.
A. A. Wales
B. B. England
C. C. Scotland
D. D. Northern Ireland
【单选题】
Generally speaking, the British Parliament operates on a system.
A. A. single-party
B. B. two-party
C. C. three-party
D. D. multi-party
【单选题】
The policies of the Conservative Party areThe policies of the Conservative Party are characterized by pragmatism and .
A. A. government intervention
B. B. nationalization of enterprises
C. C. social reform
D. D. a belief in individualism
【单选题】
The Labor Party affected the British society greatly in that it .
A. A. set up the National Health Service
B. B. improved public transportation
C. C. abolished the old tax system
D. D. enhanced the economic development
【单选题】
The British economy achieved global dominance by the .
A. A. 1860s
B. B. 1870s
C. C. 1880s
D. D.1890s
【单选题】
In , the British Parliament passed two important acts to establish a welfare state.
A. A. 1945
B. B. 1946
C. C. 1947
D. D. 1948
【单选题】
The in the early 1970s worsened an already stagnant economy in Britain.
A. A. oil crisis
B. B. high inflation rates
C. C. large imports
D. D. unemployment problem
【单选题】
Of the following practices, does not belong to Thatcher’s social welfare reform.
A. A. reducing child benefits
B. B. shortening the unemployment benefits period
C. C. reducing the unemployment
D. D. lowering old age pensions
【单选题】
The Blair government has been successful in all the following aspects except .
A. A. limiting government spending
B. B. keeping inflation under control
C. C. reducing unemployment
D. D. reducing inequality
【单选题】
Britain has devoted of its land area to agriculture.
A. A. 54%
B. B. 64%
C. C. 74%
D. D.84%
【单选题】
Britain’s important fishing areas include all the following except .
A. A. the North Sea
B. B. the English Channelnnel
C. C. The sea area around Ireland
D. D. The sea area between Britain and Ireland
【单选题】
Coal mining industry in Britain provides of the energy consumed in the country.
A. A. 1/3
B. B. 1/4
C. C. 1/5
D. D. 2/3
【单选题】
The car industry in Britain in mostly .
A. A. foreign-owned
B. B. state-owned
C. C. joint-venture
D. D. privately-owned
【单选题】
Of the following sectors in Britain, has experienced spectacular growth since the end of Word War II.
A. A. agriculture
B. B. energy industry
C. C. service industry
D. D. manufacturing industry
【单选题】
Samuel Johnson’s dictionary was influential in establishing a standard form of .
A. A. grammar
B. B. handwriting
C. C. spelling
D. D. pronunciation
【单选题】
At present, nearly of the world’s population communicate in English.
A. A. half
B. B. a quarter
C. C. one third
D. D. one fifth
【单选题】
The attack on Rome ended the Roman occupation in Britain in 410.
A. A. Norman
B. B. Danish
C. C. Celtic
D. D. Germanic
【单选题】
By the late 7th century, became the dominant religion in England.
A. A. Celtic Christianity
B. B. Anglo-Saxon Christianity
C. C. Germanic Christianity
D. D. Roman Christianity
【单选题】
Westminster Abbey was built at the time of .
A. A. St. Augustine
B. B. Edward the Confessor
C. C. William the Conqueror
D. D. Alfred the Great
【单选题】
The marked the establishment of feudalism in England.
A. A. Viking invasion
B. B. signing of the Magna Carta
C. C. Norman Conquest
D. D. Adoption of common law
【单选题】
The end of the Wars of the Roses led to the rule of .
A. A. the House of Valois
B. B. the House of York
C. C. the House of Tudor
D. D. the House of Lancaster
【单选题】
The direct cause for the Religious Reformation was King Henry VIII’s effort to .
A. A. divorce his wife
B. B. break with Rome
C. C. support the Protestants
D. D. declare his supreme power over the church
【单选题】
The English Civil War broke out in 1642 between .
A. A. Protestants and Puritans
B. B. Royalists and Parliamentarians
C. C. nobles and peasants
D. D. aristocrats and Christians
【单选题】
was passed after the Glorious Revolution.
A. A. Bill of Rights
B. B. Act of Supremacy
C. C. Provisions of Oxford
D. D. Magna Carta
【单选题】
The Industrial Revolution was aThe Industrial Revolution was accomplished in Britain by the middle of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th
【单选题】
Britain faced strong challenges in its global imperial dominance by the beginning of the century.
A. A. 17th
B. B. 18th
C. C. 19th
D. D. 20th
【单选题】
As a revising chamber, the House of Lords is expected to the House of Commons.
A. A. rival
B. B. complement
C. C. criticize
D. D. inspect
【单选题】
The British government is characterized by a division of powers between three of the following branches with the exception of the .
A. A. judiciary
B. B. legislature
C. C. monarchy
D. D. executive
【单选题】
The importance of the British monarchy can be seen in its effect on .
A. A. passing the bills
B. B. advising the government
C. C. political parties
D. D. public attitude