【判断题】
(32403)发电车运行中,若出现上油箱至燃油滤清器管路堵塞,将随车应急软管从上油箱油阀直接接在燃油滤清器进油口位置。(1.0分)
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【判断题】
(32404)冬季外温很低时,发电车运行中出现下油箱燃油析蜡,如果电动燃油泵抽不上油,应该立即改用手动泵抽油。(1.0分)
【判断题】
(32405)发电车燃油泵前面的油路系统漏空气、管路堵塞都有可能使燃油泵抽不上油。(1.0分)
【判断题】
(32406)发电车下油箱加满油后出现溢油,配电屏的报警装置立刻报警。(1.0分)
【判断题】
(32407)发电车上油箱如果泵油过满,会出现报警。(1.0分)
【判断题】
(32408)发电车柴油机的冷却水是柴油机正常工作必不可少的冷却介质,所以对膨胀水箱设置了低水位和高水位报警。(1.0分)
【判断题】
(32409)发电车上油箱是保证所有柴油发电机组正常工作十分重要的组件,所以上油箱设置了低油位和高油位报警。(1.0分)
【判断题】
(32410)发电车的电加热器管电源电压全部采用380V。(1.0分)
【判断题】
(32411)发电车的电加热器是通过接触器控制其接通和断开的。(1.0分)
【判断题】
(32412)发电车运行中,下油箱连通管路渗漏,可以通过外表涂密封胶防止渗漏。(1.0分)
【判断题】
(32413)发电车运行中,下油箱连通管路渗漏,如不及时处理,渗漏处将会越来越大。(1.0分)
【判断题】
(32414)发电车的烟火报警器的探头只有两种,一种是感测火焰和温度的,另一种是感测烟雾的。(1.0分)
【判断题】
(32415)发电车的烟火报警器具有自检、火灾报警、故障报警、消音与复音、记录与显示火警发生时间、自动灭火、时间校准等功能。(1.0分)
【判断题】
(32416)继电器是根据输入信号的变化来接通或断开控制电路,其输入的信号必须是电信号。(1.0分)
【判断题】
(32417)发电车出现绕组温度高一定是出现了扫膛的机械故障。(1.0分)
【判断题】
(32418)发电车出现绕组温度高报警,柴油机会自动停机保护。(1.0分)
【判断题】
(32419)发电车柴油机启动时启动马达不转,一定是启动马达坏了,所以立即更换启动马达。(1.0分)
【判断题】
(32420)发电车康明斯柴油机启动时,如果发现24V启动电压降很大,柴油机因转速低没有达到怠速运转,应立即改用48V转换电源应急启机。(1.0分)
【判断题】
(32421)发电车控制屏上主发电机的电流表可以互换。(1.0分)
【判断题】
(32422)发电车控制屏上24V电流表必须先并联分流电阻,再接到24V电路里。(1.0分)
【判断题】
(32423)当发电车的输出电中,如果出现缺相,电机性负载一定不能正常工作。(1.0分)
【判断题】
(32424)发电车输出电中,如果出现缺相,在全列车的负载中,凡使用220V电源的负载,有的能正常工作,有的不能工作。(1.0分)
【判断题】
(32425)发电车更换主空气断路器时,必须先断电停机。(1.0分)
【判断题】
(32426)发电车主空气断路器上如果积尘,可使发电车主干线的绝缘值降低。(1.0分)
【判断题】
(32427)煤、石油、天然气是能量的来源,但,太阳、风、海潮不是能量的来源。(1.0分)
【判断题】
(32428)发电车柴油发电机组是创造能源的机器。(1.0分)
【判断题】
(32429)润滑脂受到外力时,只要一流动就会变软,但是一旦处于静止时就会变硬。(1.0分)
【判断题】
(32430)润滑脂有很弱的粘附性,在摩擦面上不易保持,其抗水、密封性和抗漏失性突出,可以用在密封性不良的摩擦表面上。(1.0分)
【判断题】
(32431)在规定的条件下加热,达到一定的流动性的温度是润滑脂的一个重要性能指标。(1.0分)
【判断题】
(32432)滴点是润滑脂稠度和软硬程度的衡量指标。(1.0分)
【单选题】
生产经营单位必须依法参加___,为从业人员缴纳保险费。[913000000]
A. 工伤社会保险
B. 养老保险
C. 医疗保险
D. 失业保险
【单选题】
因生产安全事故受到损害的从业人员,除依法享有___外,依照有关民事法律尚有获得赔偿权利的,有权向本单位提出赔偿要求。[912000000]
A. 工伤社会保险
B. 医疗保险
C. 失业保险
D. 养老保险
【单选题】
生产经营单位与从业人员订立的___,应当载明有关保障从业人员劳动安全、防止职业危害的事项,以及依法为从业人员办理工伤社会保险的事项。[932000000]
A. 工资合同
B. 养老保险
C. 劳动合同
D. 失业保险
【单选题】
发现危及从业人员生命安全的情况时,___有权向生产经营单位建议,组织从业人员撤离危险场所,生产经营单位必须立即做出处理。[932000000]
A. 安全生产监督管理部门
B. 工会
C. 劳工组织
D. 工人代表
【单选题】
重大危险源是指长期地或者临时地生产、搬运、使用或者储存危险物品,且危险物品的数量等于或者超过临界量的___。[921000000]
【单选题】
《安全生产法》规定,从业人员发现事故隐患或者其他不安全因素,应当___向现场安全生产管理人员或者本单位负责人报告。[911000000]
A. 在8h内
B. 在4h内
C. 在1h内
D. 立即
【单选题】
对生产经营单位违反安全生产法律、法规、侵犯从业人员合法权益的行为,___有权要求纠正。[913000000]
A. 安全生产监督管理部门
B. 工会
C. 劳工组织
D. 工人代表
【单选题】
《安全生产法》规定负有安全生产监督管理职责的部门应当建立举报制度,以使举报监督___。[923000000]
A. 公开化、制度化
B. 制度化、法定化
C. 公开化、法定化
D. 全面化、制度化
【单选题】
国家对严重危及生产安全的工艺、设备实行___制度。[911000000]
A. 改进
B. 淘汰
C. 保留
D. 限范围使用
【单选题】
生产安全事故的___是保证生产安全事故应急救援工作顺利实施的组织保障。[913000000]
A. 应急救援体系
B. 应急救援信息系统
C. 应急救援组织
D. 应急救援制度
【单选题】
生产经营单位发生生产安全事故后,事故现场有关人员应当立即报告___。[931000000]
A. 本单位负责人
B. 当地政府安全部门
C. 所在行业安全负责人
D. 当地消防部门
推荐试题
【单选题】
is regarded as “the father of American literature”.
A. A. James Fennimore Cooper
B. B. Ralph Waldo
C. C. Thomas Jefferson
D. D. Washington Irving
【单选题】
Of the following writers, are from the Colonial and Revolutionary Periods.
A. A. Benjamin Franklin & Edgar Ellen Poe
B. B. Edgar Ellen Poe & Jonathan Edwards
C. C. Benjamin Franklin & Jonathan Edwards
D. D. Edgar Ellen Poe & Washington Irving
【单选题】
The National Day of the United States falls on .
A. A. June 4th
B. B. July 4th
C. C. June 14th
D. D. July 14th
【单选题】
Of the following, is NOT among the three major radio and TV networks in America.
A. A. the National Broadcasting System (NBS)
B. B. the Public Broadcasting Service (PBS)
C. C. the Columbia Broadcasting System (CBS)
D. D. the American Broadcasting System (ABS)
【单选题】
is sold especially to the upper or upper-middle class and it has a reputation for its serious attitude and great bulk.
A. A. The Washington Post
B. B. The New York Times
C. C. Los Angeles Times
D. D. New York Daily News
【单选题】
Of the following universities, has NOT cultivated any American President yet.
A. A. Harvard University
B. B. Massachusetts Institute of Technology
C. C. Princeton University
D. D. Yale University
【单选题】
To get a bachelor’s degree, all undergraduate students are required to do the following except .
A. A. attending lectures and completing assignments
B. B. passing examinations
C. C. working for communities
D. D. earning a certain number of credits
【单选题】
Of the following, is NOT the responsibility of the board of trustees in U. S. institutions.
A. A. choosing the president
B. B. establishing policies for administrators and faculty
C. C. approving budget and other financial project
D. D. decide which student to enroll
【单选题】
Of the following, are NOT among the categories of American higher education.
A. A. universities and colleges
B. B. research institutions
C. C. technical institutions
D. D. community colleges
【单选题】
Higher education in the United States began with the founding of
A. A. Yale University
B. B. Harvard University
C. C. Princeton University
D. D. New York University
【单选题】
Of the following subjects, are NOT offered to elementary school students.
A. A. mathematics and languages
B. B. politics and business education
C. C. science and social studies
D. D. music and physical education
【单选题】
Formal education in the United States consists of , secondary and higher education.
A. A. kindergarten
B. B. public
C. C. elementary
D. D. private
【单选题】
At present, U. S. exports account for of the world’s total.
A. A. 10%
B. B. 15%
C. C. 20%
D. D. 25%
【单选题】
is not one of the three giants in American automobile industry.
A. A. Ford
B. B. General Motors
C. C. Chrysler
D. D. American Motors
【单选题】
The following statements are all true except .
A. A. Agribusinesses reflect the big, corporate nature of many farm enterprises.
B. B. Agribusinesses maintain a balanced trade pattern between agricultural imports and exports.
C. C. Agribusinesses range from one-family corporations to multinational firms.
D. D. Agribusinesses include a variety of farm businesses and structures.
【单选题】
About of American crops are for export.
A. A. half
B. B. one third
C. C. one fourth
D. D. one fifth
【单选题】
President Johnson tried to build a “Great Society” by introducing various programs like the following except .
A. A. Medicare
B. B. Food Stamps
C. C. Education Initiatives
D. D. Unemployment Pension
【单选题】
The following inventions took place during the “second indThe following inventions took place during the “second industrial revolution” except .
A. A. typewriter
B. B. telephone
C. C. electric light
D. D. refrigerator
【单选题】
The first National Bank of the United States was established with the urge of .
A. A. George Washington
B. B. Thomas Jefferson
C. C. Andrew Jackson
D. D. Alexander Hamilton
【单选题】
Chartered companies were NOT granted the by the British King or Queen.
A. A. political authority
B. B. economic rights
C. C. judicial authority
D. D. diplomatic authority
【单选题】
The modern American economy progressed from to , and eventually, to .
A. A. colonial economy, handcraft economy, industrial economy
B. B. farming economy, handcraft economy, industrial economy
C. C. colonial economy, farming economy, industrial economy
D. D. handcraft economy, farming economy, industrial economy
【单选题】
America produces a major portion of the world’s products in the following fields except .
A. A. machinery
B. B. automobiles
C. C. ore
D. D. chemicals
【单选题】
The President is directly voted into office by .
A. A. all citizens of America
B. B. the citizens over 18 years old
C. C. electors elected by the voters
D. D. the senators and representatives
【单选题】
The Supreme Court is composed of justices.
A. A. six
B. B. seven
C. C. eight
D. D. nine
【单选题】
The terms for a Senator and Representative are and years respectively.
A. A. two, four
B. B. two, three
C. C. two, six
D. D. six, two
【单选题】
According to the Constitution, a candidate for President must be .
A. A. at least 35 years old
B. B. at least a 14 years’ resident of the United States
C. C. born in America
D. D. all of the above
【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