相关试题
【判断题】
CCBⅡ制动机单独制动手柄还具有快速缓解功能，通过在制动区斜推小闸手柄实现缓解大闸控制所施加的机车制动缸压力。
【判断题】
CCBⅡ制动机单独制动手柄还具有快速缓解功能，通过在制动区斜推小闸手柄实现缓解小闸控制所产生的制动力。
【判断题】
CCBⅡ制动机后备制动功能是靠空气制动阀（后备的制动阀）手柄在不同位置上的停留时间实现。
【判断题】
CCBⅡ制动机后备制动作用仅在电子制动失效后启用。
【判断题】
CCBⅡ制动机空气防滑系统由微机防滑保护单元、速度传感器、防滑阀等组成。
【判断题】
为了防止机车在粘着状态不佳的时候打滑，制动缸的压力由防滑阀来控制。
【判断题】
CCBⅡ制动机防滑阀在得电时，防滑阀处于打开的位置，制动缸管的空气自由通过至制动缸。
【判断题】
CCBⅡ制动机防滑阀仅有作用电磁阀得电时，供给制动缸的空气被隔离，制动缸保压。
【判断题】
HXD1电力机车蓄电池主开关关闭时，停放制动将自动投入。
【判断题】
如果停放制动缸没有压缩空气，就会自动实施缓解停放制动。
【判断题】
转向架空空气管路由轮缘润滑空气管路、基础制动空气管路、撒砂装置空气管路组成。
【判断题】
HXD1电力机车总风压力不足，当闭合升弓扳键开关后，辅助压缩机将自动启动，向控制风缸打风，打满风后辅助压缩机自动停止，随后受电弓升起。
【判断题】
HXD1电力机车机械间内设备沿车内中间走廊两侧平行布置，采用导轨安装方式固定。
【判断题】
HXD1电力机车每个变流器的中间支撑电容组由4×4mF电容器组成，共计16mF。
【判断题】
即使HXD1电力机车中间支撑电容器已经放电，仍可能出现危险电压。
【判断题】
HXD1电力机车主变流器的低压部分和高压部分之间设有安全的电气绝缘。
【判断题】
HXD1电力机车低压部分TCU中控制电子组件的工作电压为110V，这一电压等级对生命和健康是危险的。
【判断题】
CCBⅡ制动机“第二步闸”移至抑制位后，均衡风缸、列车管、制动缸各压力无变化。
【判断题】
CCBⅡ制动机“第三步闸”初制位后：侧缓单阀，制动缸压力下降为0，手柄复位后制动缸压力不恢复。
【判断题】
CCBⅡ制动机“五步闸”试验完毕，机车司机室显示模块（LCDM）恢复本机/不补风状态设置。
【判断题】
DK-2制动机制动控制器钥匙开关，拨到左边为开，右边为关。
【判断题】
DK-2制动机自动制动控制器在运转位，单独制动控制器在运转位，制动控制器钥匙才能关或开。
【判断题】
DK-2制动机制动控制器钥匙开关在开位，自动制动控制器、单独制动控制器起作用。
【判断题】
DK-2制动机后备制动具有制动位、中立位、缓解位三个操作位置，只能保证全列车的制动、保压、缓解的基本功能。
【判断题】
DK-2制动机后备制动，应将自动制动控制器和单独制动控制器手把放运转位。
【填空题】
1.HXD1电力机车LOCOTROL为___控制系统 ,适合于多机分布式重载牵引。
【填空题】
3.HXD1电力机车牵引通风机采用___布置，便于均衡机车轴重。
【填空题】
4.HXD1机车微机控制系统的核心___模块和司机需要经常操作的一些开关、按钮等分别设置在司机室内的两个后墙柜内。
【填空题】
5.HXD1电力机车空气制动柜上部装有机车___和安全钥匙箱(BSV)。
【填空题】
6.HXD1电力机车为适合重载牵引车体采用整体承载结构，并以中央___梁为主要传递牵引力构 件。
【填空题】
7.HXD1电力机车主变流器中辅助变流器模块的___为辅助变压器柜的辅助变压器输入电源。
【填空题】
8.HXD1电力机车冷却塔主要装有冷却塔通风机、油/水散热器、___、膨胀水箱、变压器副油箱等设备。
【填空题】
9.HXD1电力机车在主断路器和高压穿墙套管之间，装有过电压保护用氧化锌避雷器，可以对雷击过电压和___起保护作用。
【填空题】
10.HXD1电力机车主断路器相邻处装有一台高压___，由它把受电弓从接触网受流的电流引入车内。
【填空题】
11.为保证人身安全，HXD1电力机车车顶登顶窗设置安全电气___装置。
【填空题】
12.HXD1电力机车打开登顶窗前，安全电气连锁装置接通车顶高压接地装置将25kV电路接地，使得分布电容积聚的___放电，确保人身安全。
【填空题】
13.打开HXD1电力机车登顶窗前，安全电气连锁装置接通车顶高压接地装置将25 kV电路接地，同时受电弓___回路被切断，无法升弓，避免误升弓操作。
【填空题】
14.HXD1电力机车光电速度传感器给___系统提供机车速度信号。
【填空题】
15.HXD1电力机车“机车电子标签”:根据相关的运输要求向外___机车电子表示信号。
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【判断题】
现金流量表的分析填列法是直接根据资产负债表、利润表和有关会计科目明细账的记录分析计算出现金流量表各个项目的金额，据此编制现金流量表的方法
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销售净利率是20%，资产周转率是1次，权益乘数是2，则净资产收益率是40%
【判断题】
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如果企业的负债资金的利息率低于其资产报酬率，则提高资产负债率可以增加所有者权益报酬率
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杜邦分析体系是利用各主要财务比率之间的内在联系，综合分析企业财务状况的方法。建立财务分析指标体系
【判断题】
沃尔比重评分法是将选定的财务比率用线性关系联系起来，并分别给定各自的分数比重，然后通过与标准比重进行比较，确定各项指标的得分及总体指标的累积分数，从而对企业的信用水平做出评价的方法
【填空题】
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1 In our class,most discussions and activities take place in assigned small groups,These groups provide a supportive and safe environment that （） learning
【填空题】
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9 As the finance ministry rejected the defor its "lack of clarity",it[ ]complaint with the Europear Commission that this deal was against the law
【填空题】
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5 State governments and the colleges themselves have [ ] financial help to students with special abilities and those with financial needs
【填空题】
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10 Dogs cannot distinguish the color of trafficlights, so the master must make the decision of when it is safe to [ ] across the road
【填空题】
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6 The committee agreed that his papers
[ ] a wider circulation because of their essential and fundamental interest to a larger audience.
【填空题】
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1 Because women often restrict their diet
In an effort to control weight,they may
Not consume enough iron-rich food and
( ) experience an iron Deficiency.
【填空题】
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8 Americans defend the right to obtain a gun and they have[ ] been willing to turn a blind eye to the harm that people owning guns have caused
【填空题】
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7 The anger and frustration [ ] by the local people who do not understand what is happening to them will be a terrible and dangerous force
【填空题】
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2 Some reform advocates ignore the impact of
Class size on student achievement,and they
are ( ) what they call as a Priority:teacher effectiveness.
【填空题】
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3 Because of easy access to the Internet,the
New breakthrough tq create something
Truly creative ( ) happen anytime now.
【填空题】
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4 Indeed,if teachers want to( ) how far students might get in life, a better measurement than grades might be how hard the students try.
【填空题】
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5 Nature has( ) these animals ( ) a capacity for not showing Fear.
【填空题】
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6 During the weeks of discussion,delegations
from groups who are interested in the
Resolution may call on representatives to
( ) their point of view.
【填空题】
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7 Plato was a superb writer,and his works are
Part of the world’s great literature.Most of
His existing work is ( )Dialogs and letters.
【填空题】
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8 Young people should enter into a broad
Flexible training program,through which
They can learn a lot and be ( ) their future careers.
【填空题】
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9 The young man is very happy and proud to
be ( ) the old professor because he always feeIs great when talking With him.
【填空题】
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10 One day they passed more than 20 villages ( ),and some of these are Said to have stretched for six miles or more.
【填空题】
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7 Being asingle parent,there is no way for her
to ( ) the time and energy she has
devoted to her children for the past 10 years.
【填空题】
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8 It is essential that you start by listening because one of the main ( ) teenagers and their parents face in forming positive relationships is that neither listens to the other.
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9 We all know the dangers of an earthquake: the ( ) to buildings,the troubles can be caused by falling trees,and the terror occurs when the earth actually opens uip.
【填空题】
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10 Not until recently have we realized that the increasing world population may lead to a potential gloomy ( ) for humanity starvation.
【填空题】
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2 It is the development strategy/of the company to ( ) its overseas expansion in order to take a slice of the world market
【填空题】
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3 Nearly six million people go to see the Mona
Lisa every year,attracted by the ( )of her smile.When you're not lodking at her, she seems to be smiling;when you look at her,she stops.
【填空题】
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4 To live with a family whose native language is English is the ideal way to further improve one's English and to gain ( )into its culture.
【填空题】
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5 There is a real need to ( ) academic
achievement in schools and help with the
development of a student's overall character.
【填空题】
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6 Einstein said his scientific discoveries grew
from his imagination rather than from( ),
reason and language.
【填空题】
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1 When the police caught up with him, Mr.Foster had to [ ] that he'd broken the speed limit.
【填空题】
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2 Whenever my boss makes a decision that I don't agree with, I tell him what I really think, though it's [ ] to make him happy by telling him his ideas are always right
【填空题】
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3 As can be probably perceived, a manned tip to Mars may soon[ ] since scientists have achieved the manned moon mlssion
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4 A number of countries are [ ]their efforts to send out food to the area worst affected by the flood.
