【判断题】
挂拆工作接地线，在绝缘架空地线上作业时，不应将该架空地线接地
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【判断题】
挂工作接地线时，应先接接地端，后接导线或地线端。接地线连接应可靠，不得缠绕。拆除时的顺序与此相反
【判断题】
作业间断或过夜时，作业段内的全部工作接地线不用保留
【判断题】
工作接地线一经拆除，该线路即视为带电，禁止任何人再登杆塔进行任何作业
【判断题】
开关和熔断器的容量应满足被保护设备的要求。闸刀开关应有保护罩，可以用其他金属丝代替熔丝
【判断题】
作业人员在观察电弧时，应使用带有滤光镜的头罩或手持面罩，辅助人员不用佩戴类似的眼保护装置
【判断题】
吊索与物件的夹角宜采用45°～60°，且不得小于30°或大于100°，吊索与物件棱角之间应加垫块
【填空题】
生产作业现场防止人身伤害二十条禁令是什么？
【单选题】
JG/4型压缩机为压缩为___平衡对置式往复压缩机。
【单选题】
JG/4型压缩机气缸排布方式为___。
A. 正级差
B. 三级
C. 倒级差
D. 四级
【单选题】
按照Ariel压缩机手册的要求，压缩机润滑系统使用的润滑油牌号为___。
A. SAE60
B. ISO100
C. SAE40
D. SAE30
【单选题】
JG/4型压缩机一级气缸缸径为___。
A. 3.00in
B. 2.75in
C. 1.75in
D. 3.5in
【单选题】
JG/4型压缩机二级气缸缸径为___。
A. 3.00in
B. 2.75in
C. 1.75in
D. 3.5in
【单选题】
JG/4型压缩机三级气缸缸径为___。
A. 3.00in
B. 2.75in
C. 1.75in
D. 3.5in
【单选题】
JG/4型压缩机的冲程为___。
A. 3.00in
B. 2.75in
C. 1.75in
D. 3.5in
【单选题】
DNFT（无油流传感器）流量中断告警时间间隔为___。
A. 180秒
B. 120秒
C. 60秒
D. 100秒
【单选题】
JG/4型压缩机驱动电机转速为___。
A. 1500
B. 1490
C. 1800
D. 1200
【单选题】
JG/4型压缩机强制润滑油箱的储油量约为___。
A. 1.5L
B. 1/3L
C. 1L
D. 5L
【单选题】
JG/4型压缩机高位油箱的储油量约为___。
A. 20L
B. 19L
C. 18L
D. 16L
【单选题】
JG/4型压缩机曲轴箱储油槽的储油量约为___。
A. 40L
B. 35L
C. 38L
D. 50L
【单选题】
JG/4型压缩机活塞杆的直径为___。
A. 1.75in
B. 1.5in
C. 1.25in
D. 1.125in
【单选题】
JG/4型压缩机润滑油过滤器差压不应大于___。
A. 15PSI
B. 10PSI
C. 20PSI
D. 8PSI
【单选题】
JG/4型压缩机运行时，曲轴箱油位不得超过辅助端视镜的___。
A. 1/3
B. 2/3
C. 3/5
D. 1/2
【单选题】
JG/4型压缩机低油压停机值为___。
A. 24PSI
B. 30PSI
C. 35PSI
D. 25PSI
【单选题】
JG/4型压缩机润滑油操作温度下的最小粘度为___。
A. 60SUS
B. 80SUS
C. 50SUS
D. 70SUS
【单选题】
JG/4型压缩机润滑油应在___进行更换。
A. 12个月或8000小时
B. 6个月或8000小时
C. 12个月或4000小时
D. 6个月或4000小时
【单选题】
JG/4型压缩机润滑油滤芯应在___进行更换。
A. 12个月或压差达到15PSI
B. 6个月或压差达到10PSI
C. 12个月或压差达到10PSI
D. 6个月或压差达到15PSI
【单选题】
JG/4型压缩机振动开关的主要技术参数为___。
A. 0-7G’s 0-100HZ/0.100in
B. 0-50HZ/0.150in
C. 0-10G’s 0-50HZ/0.150in
D. 0-100HZ/0.001in
【单选题】
XEBEC STR30NGX-3D干燥器的吸附介质为___。
A. 硅胶
B. 活性氧化铝
C. 4A型分子筛
D. 活性炭
【单选题】
XEBEC STR30NGX-3D干燥器最大处理能力为___。
A. 10000Nm³/h
B. 12000Nm³/h
C. 8000Nm³/h
D. 9000Nm³/h
【单选题】
XEBEC STR30NGX-3D干燥器出口露点的要求为___。
A. -35℃（压力下）
B. -40℃
C. -38℃（压力下）
D. 最低环境温度下5度
【单选题】
XEBEC STR30NGX-3D干燥器单塔吸附剂的重量为___。
A. 500kg
B. 450kg
C. 480kg
D. 550kg
【单选题】
XEBEC STR30NGX-3D干燥器加热器的功率为___。
A. 38KW
B. 55KW
C. 30KW
D. 48KW
【单选题】
XEBEC STR30NGX-3D干燥器冷却器的功率为___。
A. 1.25KW
B. 5KW
C. 0.75KW
D. 1KW
【单选题】
CNG加气母站调压撬的处理能力为___。
A. 10000Nm³/h
B. 12000Nm³/h
C. 8000Nm³/h
D. 9000Nm³/h
【单选题】
距JG/4型压缩机撬装总体3m处噪声不得大于___。
A. 75分贝
B. 90分贝
C. 80分贝
D. 85分贝
推荐试题
【单选题】
The following except are all powers of the President.
A. A. vetoing any bills passed by Congress
B. B. appointing federal judges when vacancies occur
C. C. making laws
D. D. issuing executive orders
【单选题】
All the following except cannot make legislative proposal.
A. A. the Senator
B. B. the Representative
C. C. the Secretary of State
D. D. the President
【单选题】
The following except are guaranteed in the Bill of Rights.
A. A. freedom of religion
B. B. the right to get into people’s house by police
C. C. freedom of speech and of press
D. D. the right to own one’s weapon if one wishes
【单选题】
The Bill of Rights .
A. A. defines the rights of Congress and the rights of the President
B. B. guarantees citizens of the United States specific individual rights and freedoms
C. C. is part of the Declaration of Independence
D. D. has no relationship with the Constitution
【单选题】
The Constitution of the United States .
A. A. gives the most power to Congress
B. B. gives the most power to the President
C. C. tries to give each branch enough power to balance the others
D. D. gives the most power to the Supreme Court
【单选题】
The U. S. Constitution came into effect in .
A. A. 1787
B. B. 1789
C. C. 1791
D. D. 1793
【单选题】
The Vietnam War was a long-time suffering for Americans, and it continued throughout the terms of Presidents .
A. A. Johnson, Nixon and Ford
B. B. Truman, Eisenhower and Kennedy
C. C. Kennedy, Johnson and Nixon
D. D. Eisenhower, Kennedy and Johnson
【单选题】
President applied New Deal to deal with the problems of the Great Depression.
A. A. Wilson
B. B. Truman
C. C. Roosevelt
D. D. Kennedy
【单选题】
The policy of the United States was at the beginning of the two world wars.
A. A. neutrality
B. B. full involvement
C. C. partial involvement
D. D. appeasement
【单选题】
Abraham Lincoln issued to grant freedom to all slaves.
A. A. Declaration of Independence
B. B. Constitution
C. C. Emancipation Proclamation
D. D. Bill of Rights
【单选题】
In May 1775, was held in Philadelphia and began to assume the functions of a national government.
A. A. the First Continental Congress
B. B. the Second Continental Congress
C. C. the Boston Tea Party
D. D. the Congress of Confederation
【单选题】
The first shots of the American dependence were fired in .
A. A. Concord
B. B. Lexington
C. C. Philadelphia
D. D. Boston
【单选题】
“No taxation without representation” was the rallying slogan of .
A. A. the settlers of Virginia
B. B. the people of Pennsylvania
C. C. the colonists in New England
D. D. the people of the 13 colonies
【单选题】
The Seven Years’ War occurred between the .
A. A. French and American Indians
B. B. French and Spaniards
C. C. French and British
D. D. British and American Indians
【单选题】
Pilgrim Fathers are a group of who came to America to avoid persecution in England.
A. A. Protestants
B. B. Puritans
C. C. Catholics
D. D. Christians
【单选题】
The first successful English colony in North America was founded at in .
A. A. Jamestown, Louisiana
B. B. Boston, Massachusetts
C. C. Jamestown, Virginia
D. D. Plymouth, Georgia
【单选题】
The characteristic of dominant American culture is .
A. A. English-speaking, northern European, Roman Catholic and middle-class
B. B. English-speaking, western European, Roman Catholic and upper-class
C. C. English-speaking, northern European, Protestant and upper-class
D. D. English-speaking, western European, Protestant and middle-class
【单选题】
The ImmiWar of Ingrants Act of 1924 restricted the further immigration into the United States, particularly from .
A. A. Europe
B. B. Asia
C. C. Africa
D. D. South America
【单选题】
The largest minority in the United States is the .
A. A. Pacific Islanders
B. B. Blacks
C. C. Native Americans
D. D. Asians
【单选题】
The native Alaskan population includes the following except the .
A. A. Indians
B. B. Eskimos
C. C. Aleuts
D. D. Blacks
【单选题】
is located on the U. S. –Canadian border between Lake Erie and Lake Ontario.
A. A. Yellowstone National Park
B. B. The Grand Canyon
C. C. Niagara Falls
D. D. The Great Salt Lake
【单选题】
Some of the world famous universities like Harvard, Yale and MIT are located .
A. A. in the South
B. B. along the Pacific Coast
C. C. in New England
D. D. in the Midwest
【单选题】
The largest river in the U. S. is .
A. A. the Missouri River
B. B. the Mississippi River
C. C. the Ohio River
D. D. the Colorado River
【单选题】
The U. S. lies in North America, with Canada to the north, Mexico to the south, the Atlantic to its and the Pacific to its .
A. A. northern, east, west
B. B. central, east, west
C. C. southern, west, east
D. D. western, east, west
【单选题】
The state of is the largest in area of all the states.
A. A. Alaska
B. B. Hawaii
C. C. Texas
D. D. Florid
【单选题】
The United States has states on the continent.
A. A. 50
B. B. 49
C. C. 48
D. D. 35
【单选题】
Waiting for Godot is written by .
A. A. Samuel Beckett
B. B. George Orwell
C. C. William Golding
D. D. D. H. Lawrence
【单选题】
Of the following writers, is NOT a Nobel Prize winner.
A. A. Samuel Beckett
B. B. James Joyce
C. C. William Golding
D. D. V. S. Naipaul
【单选题】
Of the following statements, is NOT correct about Virginia Woolf.
A. A. She was a central figure of the “Bloomsbury Group”.
B. B. She experimented with stream of consciousness.
C. C. She was an influential feminist.
D. D. Her masterpiece was The Rainbow.
【单选题】
Of the following books, was NOT written by Thomas Hardy.
A. A. Jude the Obscure
B. B. Tess of the D’Urbervilles
C. C. Adam Bede
D. D. The Return of the Native
【单选题】
is NOT included in the modernist group.
A. A. Oscar Wild
B. B. Virginia Woolf
C. C. William Butler Yeats
D. D. T. S. Eliot
【单选题】
Of the following statements, is NOT correct in terms of Neo-Romanticism.
A. A. It prevailed at the end of the 19th century.
B. B. The writers were dissatisfied with the social reality.
C. C. The writers believed in “Art for Art’s Sake”.
D. D. Treasure Island was a representative work.
【单选题】
is a representative of English Critical Realism at the turn of the 19th century.
A. A. Robert Louis Stevenson
B. B. John Milton
C. Joseph Conrad
D. D. Thomas Hardy
【单选题】
Of Dickens’ novels, is considered autobiographical.
A. A. A Tale of Two Cities
B. B. David Copperfield
C. C. Oliver Twist
D. D. Great Expectations
【单选题】
is viewed as Romantic poetry’s “Declaration of Independence.”
A. A. “I Wondered Lonely as a Cloud”
B. B. Don Juan
C. C. “Preface to Lyrical Ballads”
D. D. Prometheus Unbound
【单选题】
The most significant achievement of the English Renaissance is .
A. A. poetry
B. B. drama
C. C. novel
D. D. pamphlet
【单选题】
The following Christmas traditions are particularly British except .
A. A. Trooping the Color
B. B. Queen’s Christmas message
C. C. Boxing Day
D. D. Christmas pantomime
【单选题】
Of the following, is NOT a common feature of all the British holidays.
A. A. families getting together
B. B. friends exchanging good wishes
C. C. friends enjoying each other’s company
D. D. families traveling overseas
【单选题】
is Britain’s top pay television provider.
A. A. BSB
B. B. SkyTV
C. C. BBC
D. D. BSkyB
【单选题】
Life on Earth is a kind of program produced by the BBC and is popular among 500 million viewers worldwide.
A. A. feature
B. B. drama
C. C. documentary
D. D. soap opera
