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【填空题】
1 公司的三条红线是:___、质量、环保
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2 公司的企业价值观:共享成功 ___
【填空题】
3 公司的企业愿景:创行业标杆 ___
【填空题】
4 公司的企业精神:___创新求实
【填空题】
5 公司的企业使命:___共享未来
【填空题】
6 公司的核心理念:愚公移山 ___
【单选题】
铁在电积过程发生的反应有___
A. 氧化反应
B. 置换反应
C. 催化反应
D. 水解反应
【单选题】
按照国标规定,0#锌中镉含量应控制在___范围内。
A. 0.001%
B. 0.0015%
C. 0.002%
D. 0.0005%
【单选题】
以下不是锌电解液中的锰离子存在的价态的是___
A. +2价
B. +4价
C. +7价
D. +5价
【单选题】
锌电解新液成分中, Fe一般控制范围是___g/L。
A. Fe≤0.002
B. Fe≤0.02
C. Fe≤0.0002
D. Fe≤0.03
【单选题】
Pb-Ag两元合金阳极板,含Ag一般在___。
A. 0.2%-0.7%
B. 0.5%-0.9%
C. 0.6%-1%
D. 0.9%~l%
【单选题】
出装槽过程中有时因为烧板而发生“放炮”现象,放炮是( )反应产生的爆炸声音。___
A. 氧气与氢气反应
B. 氢气与酸雾反应
C. 电火花与酸雾反应
D. 氧气与酸雾反应
【单选题】
在一个供电系统中,列与列、槽与槽之间是 电路,而每个电解槽内的阴阳极则构成 电路。___
A. 串联、串联
B. 串联、并联
C. 并联、串联
D. 并联、并联
【单选题】
下列不属于电解槽上操作的“把四关”是___。
A. 导电关
B. 检查关
C. 添加剂关
D. 流量关
【单选题】
下列不属于提高电流效率途径的是___
A. 相对稳定的锌、酸含量
B. 合理使用添加剂
C. 消除或减少漏电损失
D. 控制适当高的电解液温度
【单选题】
在PH值为( )时,Zn2SO4会发生水解沉淀。___
A. 0.5-1.0
B. 4.8-5.2
C. 5.4-5.6
D. 5.2-5.4
【单选题】
根据生产经验,我们一般判断有机物烧板主要体现在析出锌的___。
A. 上半部
B. 下半部
C. 中间部位
D. 析出线和上半部
【单选题】
锌皮码垛高度要求是___
A. 800mm
B. 900mm
C. 850mm
D. 视情况而定
【单选题】
阳极泥中的锰主要是___形态存在的。
A. +2价
B. +4价
C. +5价
D. +7价
【单选题】
净液工段使用( )置换液体中的杂质,达到除杂的目的。___
A. 锑盐
B. 锑白
C. 锌粉
D. 黄药
【单选题】
阳极泥中含有多种有价金属,其中下列哪种金属含量最少___。
A. Ca
B. Pb
C. Ag
D. Au
【单选题】
电解液中比锌具有更负电性的金属离子是___。
A. Ge
B. Ni
C. As
D. Mg
【单选题】
锌电解废液含酸偏高,对浸出直接的影响有___
A. 中上清跑混
B. 加大了浓硫酸的使用量
C. 加大了投料量
D. 废液消耗不下
【单选题】
氢的超电压受( )因素影响。___
A. 电流密度
B. 阳极板平整度
C. 吐酒石的加入
D. 析出周期的长短
【单选题】
锌电解生产中的技术经济指标主要包括:( )、直流电单耗、阴极板单耗、阳极板单耗、碳酸锶单耗、骨胶单耗等。___
A. 槽电压
B. 交流单耗
C. 漏电量
D. 电流效率
【单选题】
电解液中的( )、镁、锰和碱金属的盐类及硅胶等,将增大电解液的电阻。___
A. Mg
B.
C. a C Fe
D. K
【单选题】
锌皮熔铸过程中,炉内没有以下那种气体?___
A. C0
B. 02
C. H2
D. Cl2
【单选题】
以下不是“设备使用者的“三好”要求”。___
A. 管好设备
B. 检查好设备
C. 修好设备
D. 用好设备
【单选题】
以下不是熔铸锌金属熔化后通常发生的反应:___
A. Zn+1/202=ZnO
B. Zn+H20=ZnO+H2
C. C+02 = C02
D. Zn+C02=ZnO+C
【单选题】
以下不是净化方法的是:___
A. 锌粉-锑盐法
B. 锌粉-黄药法
C. 锌粉-砷盐法
D. 以上均不是
【单选题】
使用灭火器扑救火灾时要对准火焰()喷射。 ___
A. 上部
B. 中部
C. 根部
【单选题】
锗烧板由背面往表面烧,形成黑色圆环,严重时形成大面积___。
A. 针状小孔
B. 圆形小孔
C. 葫芦瓢形孔
【单选题】
视析出锌含铅情况,应加入 ___。
A. 碳酸锶
B. 骨胶
C. 吐酒石
【单选题】
___是人体摄入生产性毒物的最主要、最危险的途径。
A. 呼吸道
B. 消化道
C. 皮肤
D. 眼睛
【单选题】
正常情况下新液与废液的混合比是___
A. 1:5
B. 1:8
C. 1:10
D. 1:18
【单选题】
在正式电解前阳极必须经过低温镀膜,镀膜温度为___
A. 20℃-30℃
B. 25℃-30℃
C. 25℃-35℃
【单选题】
使析出锌易于剥离的添加剂为___。
A. 吐酒石
B. 氯化铵
C. 动物胶
【单选题】
降低PbshO4溶液中Pb2+浓度,减少析出锌的含铅量的添加剂为___
A. 苯酚
B. 碳酸锶
C. 骨胶
D. 甲酚
【单选题】
对析出锌的表面质量及电流效率影响不大的杂质是___。
A. 铜
B. 钴
C. 铝
【单选题】
下列关于敬业精神的说法不正确的是___。
A. 在职业活动中,敬业是人们对从业人员的最根本、最核心的要求
B. 敬业是职业活动的灵魂,是从业人员的安身立命之本
C. 敬业是一个人做好工作、取得事业成功的保证
D. 对从业人员来说,敬业一般意味着将会失去很多工作和生活的乐趣
【单选题】
以下关于“爱岗”与“敬业”之间关系的说法中,正确的是___。
A. 虽然“爱岗”与“敬业”并非截然对立,却是难以融合的
B. “敬业”存在心中不必体现在“爱岗”上
C. “爱岗”与“敬业”在职场生活中是辩证统一的
D. “爱岗”不一定要“敬业”,因为“敬业”是精神需求
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__________ she survived the accident is miracle.___
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I often see _________ the road on his way home.___
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A. which
B. that
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【单选题】
The grey building is the place where the workers live, and the white building is the place where the spare parts _________ .___
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【单选题】
Once environmental damage ___________, it takes many years for the system to recover.___
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It's bad __________ for you to smoke in the public places where smoking is not allowed.___
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— I think John and Peter will.___
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