wy168 发表于 2022-9-23 09:09:38

2022低压电工判断题及在线模拟考试


    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">题库来源:安全生产模拟考试一点通公众号小程序</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">2022低压电工考试题目为低压电工复审题库模拟预测卷!2022低压电工判断题及在线模拟考试根据低压电工新版考试题库。低压电工全部考试题库随时根据安全生产模拟考试一点通上模拟考场练习。</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/8ec50490df1d41599a0af6ed06b5474c~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=%2FX4sNYXk5KEwACPPj8Uldb0sSUY%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">1、【单选题】( )仪表由固定的线圈,可转动的铁芯及转轴、游丝、指针、机械调零机构等组成。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、磁电式</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、电磁式</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、感应式</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">2、【单选题】</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">接触器的电气图形为。</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/05c2ecf00b2945229a35ddb6d4c276af~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=femhX8dqYun5BG3o%2FaLL9BAmm1s%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/158cf732696b48a98be32e66b555ee4f~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=B9c18Muqp1UmTAi0k%2BZ2J4AuZmk%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/34b0f91955954c47b05a10fe440401f8~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=bjCUppty58rBTvr%2BH%2FGo67%2BoR3Y%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">3、【单选题】</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">铁壳开关的电气图形为(),文字符号为QS。</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/6a0aa11e81bc444c912ea551ea8b4a5b~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=ECXJyp4pkLBrK%2FTlSYsuF18GRmQ%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/379023ac602446c6ac3384834baa7fbe~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=PfqAfbDRr7gj6da32knAV5s9xgQ%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/75c7008c896344a7b878fd869ff723b1~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=2ss86W10Amplr9qEA2AjiMxcjEQ%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">4、【单选题】万用表由表头、( )及转换开关三个主要部分组成。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、测量电路</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、线圈</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、指针</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">5、【单选题】下列材料不能作为导线使用的是( )。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、铜绞线</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、钢绞线</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、铝绞线</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">6、【单选题】下面( )属于顺磁性材料。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、水</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、铜</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、空气</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">7、【单选题】交流接触器的机械寿命是指在不带负载的操作次数,一般达( )。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、10万次以下</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、600至1000万次</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、10000万次以上</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">8、【单选题】保护线(接地或接零线)的颜色按标准应采用( )。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、蓝色</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、红色</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、黄绿双色</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/b556b6fe760f40458bf64c3c0b3faae2~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=L0BvVZXFUJRUuNsth29pNcFSVy0%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">9、【单选题】变压器和高压开关柜,防止雷电侵入产生破坏的主要措施是( )。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、安装避雷器</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、安装避雷线</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、安装避雷网</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">10、【单选题】图</span></p>
    <div style="text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-qvj2lq49k0/2fcc9c438d8b4da49aa90ba713346291~noop.image?_iz=58558&amp;from=article.pc_detail&amp;x-expires=1663908357&amp;x-signature=wqll0CibW2tLJxgTmHml206ud3Y%3D" style="width: 100%; margin-bottom: 20px;"></div>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">是()触头。2( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、延时闭合动合</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、延时断开动合</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、延时断开动断</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">11、【单选题】让客人品饮并享受一泡茶带来的乐趣是属于( )。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、生活型茶艺</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、营业型茶艺</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、表演型茶艺</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、养生型茶艺</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">12、【单选题】直流电动机反接制动时,当电动机转速接近于零时,就应立即切断电源,防止()。( D )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、电流增大</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、电机过载</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、发生短路</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、电动机反向转动</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">13、【单选题】使主轴反转的指令是()。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、M90</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、G01</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、M04</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、G91</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">14、【单选题】为了防止直流串励电动机转速过主而损坏电动机,不允许()启动。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、过载</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、带负载</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、空载</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、重载</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">15、【单选题】杠杆齿轮测微仪的使用方法与()相似。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、杠杆千分尺</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、普通千分尺</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、千分表</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、游标卡尺</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">16、【单选题】以下选项中,对砂轮磨削快速掉落影响最大的选项是( )。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、砂轮的平衡度不够精准</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、砂轮机的运行时间过长</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、磨削参数不适当</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、磨削时没加冷却液</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">17、【单选题】干式电抗器三相水平排列时,三相绕向应( )。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、相同</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、相反</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、相同或相反均可</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、无规定</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">18、【单选题】为了改善复合螺纹加工指令车削螺纹的表面质量,应采取的措施是。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、修改主轴转速</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、改变刀具</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、把刀尖角参数设置比实际刀尖角小</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、减小吃刀深度</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">19、【单选题】直流双臂电桥可以精确测量( )的电阻。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、1Ω以下</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、10Ω以上</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、100Ω以上</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、100KΩ以上</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">20、【单选题】道德是由一定社会的()决定的,并为一定的社会经济基础服务。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、经济基础</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、物质基础</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、生产关系</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、劳动工具</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">21、【单选题】辅助功能中表示无条件程序暂停的指令是()。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、M00</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、M01</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、M02</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、M30</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">22、【单选题】在一个闭合回路中,电流强度与电源电动势成正比,与电路中内电阻和外电阻之和成反比,这一定律称( )。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、全电路欧姆定律</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、全电路电流定律</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、部分电路欧姆定律</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">23、【单选题】无压边装置的简单拉深模结构简单,上模往往是整体的,拉深后,冲压件靠凹模下部的( )刮下,适用于拉深材料厚度较大(t&gt;2mm) 及深度较小的零件。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、卸料杆</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、推件板</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、脱料颈</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、卸料板</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">24、【单选题】在易燃易爆场所使用的照明灯具应采用( )灯具。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、防爆型</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、防潮型</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、普通型</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">25、【单选题】造成主轴回转中心线位移的重要因素是()。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、主轴形状误差</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、主轴尺寸精度</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、轴承间隙</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、主轴重量</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">26、【单选题】在配电线路中,熔断器作过载保护时,熔体的额定电流为不大于导线允许载流量( )倍。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、1.25</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、1.1</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、0.8</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">27、【单选题】接地网施工中扁钢与角钢的搭接长度不应小于宽度的()。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、一倍</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、两倍</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、三倍</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、四倍</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">28、【单选题】对于低压配电网,配电容量在100kW以下时,设备保护接地的接地电阻不应超过( )Ω。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、10</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、6</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、4</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">29、【单选题】干式电抗器三相水平排列时,三相绕向应()。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、相同</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、相反</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、相同或相反均可</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、无规定</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">30、【单选题】要泡好一壶茶,需要掌握茶艺的( )要素。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、7</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、6</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、5</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、3</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">31、【单选题】当电气设备发生接地故障,接地电流通过接地体向大地流散,若人在接地短路点周围行走,其两脚间的电位差引起的触电叫( )触电。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、单相</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、跨步电压</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、感应电</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">32、【单选题】关于创新的论述,正确的是。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、创新就是出新花样</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、创新就是独立自主</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、创新是企业进步的灵魂</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、创新不需要引进外国的新技术</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">33、【单选题】畸形工件的划线基准可以借助于以下那个基准作为参考基准( )。( D )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、原始基准;</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、辅助基准;</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、最大的面;</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、最小的面</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">34、【单选题】X8126型万能工具铣床中数字26表示的是工作台工作面()mm。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、宽度260</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、长度260</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、宽度2600</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、长度2600</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">35、【单选题】更换和检修用电设备时,最好的安全措施是( )。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、切断电源</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、站在凳子上操作</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、戴橡皮手套操作</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">36、【单选题】照明系统中的每一单相回路上,灯具与插座的数量不宜超过( )个。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、20</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、25</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、30</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">37、【单选题】用摇表测量电阻的单位是( )。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、欧姆</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、千欧</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、兆欧</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">38、【单选题】电烙铁用于( )导线接头等。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、铜焊</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、锡焊</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、铁焊</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">39、【单选题】在三相绕线式异步电动机的整个起动过程安 全 生产模拟考试一 点通中,频敏变组器的等效阻抗变化趋势是( )。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、小(大(小</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、大(小(大</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、大(小</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、小(大</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">40、【单选题】稳压二极管的正常工作状态是( )。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、导通状态</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、截至状态</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、反向击穿状态</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">41、【单选题】管板骑坐式焊接时,焊脚凸凹度不大于()。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、1mm</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、1.5mm</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、2mm</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、2.5mm</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">42、【单选题】电气设备金属外壳接地属于下列哪种类型接地( )。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、工作接地</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、保护接地</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、过电压保护接地</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、防静电接地</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">43、【单选题】运行中的线路的绝缘电阻每伏工作电压为( )欧。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、500</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、1000</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、200</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">44、【单选题】采用单道焊进行骑座式管板仰焊位盖面焊时,其优点主要是( )。( D )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、不易产生咬边</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、不易产生未熔合</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、焊缝表面不易下垂</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、外观平整、成型好</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">45、【单选题】选择电压表时,其内阻( )被测负载的电阻为好。( B )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、远小于</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、远大于</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、等于</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">46、【单选题】根据GB/T221—2000规定,合金结构钢中,合金元素质量分数的平均值为( )时,在合金元素符号后应写成2。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、1.5%~2.49%</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、1.5%~2.00%</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、2.00%~2.49%</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、2.49%~3.00%</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">47、【单选题】万能工具显微镜是利用光学系统把工件放大,再用显微镜头( )的方法进行读数、测( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、瞄准</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、扫描</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、放大</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、显示</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">48、【单选题】焊接接头冲击试样的数量,按缺口所在位置应()3个。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、各自不少于</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、总共不少于</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、平均不大于</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、平均不少于</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">49、【单选题】三相交流电路是指由()为电源与负载连接组成的电路。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、一相电势</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、二相电势</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、三相电势</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、四相电势</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">50、【单选题】发电机作调相机运行时,配电盘表针出现的现象。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、发电机有功功率指示不变</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、无功功率指示下降</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、功率因数表指示为零或很小</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、定子电流表指示稍高</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">51、【单选题】根据舌头各部分味蕾对不同味感感受能力不同,舌头的两侧前部最易感受( )。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、苦味</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、涩味</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、咸味</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、鲜味</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">52、【单选题】以下不属于多分型面型腔模漏水故障检查项目的是()。( D )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、检查密封圈的配合情况</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、检查密封圈是否老化</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、检查型芯是否崩裂</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、检查型芯与浇口距离</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">53、【单选题】单相电容起动异步电动机,工作绕组和起动绕组在空间上互差()电角。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、45°</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、60°</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、90°</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">D、180°</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">54、【单选题】钳形·安全生产模 拟考 试一点通·电流表是利用( )的原理制造的。( A )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、电流互感器</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、电压互感器</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、变压器</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">55、【单选题】防静电的接地电阻要求不大于( )Ω。( C )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">A、10</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">B、40</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">C、100</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">56、【判断题】PN结正向导通时,其内外电场方向一致。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">57、【判断题】RCD的额定动作电流是指能使RCD动作的最大电流。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">58、【判断题】万能转换开关的定位结构一般采用滚轮卡转轴辐射型结构。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">59、【判断题】数控车床操作切削运动分主运动和进给运动两种,车削时,车刀的移动是进给运动。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">60、【判断题】三相电动机的转子和定子要同时通电才能工作。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">61、【判断题】不同电压的插座应有明显区别。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">62、【判断题】无机粘结剂易受潮,所以一次调制量不宜太多。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">63、【判断题】冲泡黑茶需准备茶盘、盖碗、公道壶、小品杯、茶叶罐、烧水炉具。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">64、【判断题】()工会有权依法参加事故调查,向有关部门提出处理意见,并要求追究有关人员的责任。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">65、【判断题】为改善电动机的启动及运行性能,笼形异步电动机转子铁芯一般采用直槽结构。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">66、【判断题】在液压系统中,成本低、效率低、功率损失大的调速回路是节流调速回路。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">67、【判断题】使用万用表电阻档能够测量变压器的线圈电阻。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">68、【判断题】保护接零适用于中性点直接接地的配电系统中。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">69、【判断题】车削细长轴时,粗车刀安装时刀尖应略高于中心。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">70、【判断题】同一电器元件的各部件分散地‘安全生产模拟考 试一 点 通‘画在原理图中,必须按顺序标注文字符号。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">71、【判断题】职业道德主要通过调节企业与市场的关系,增强企业的凝聚力。 ( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">72、【判断题】茶叶保存应注意水分的控制,当其水分含量超过5%时,就会加速茶叶的变质。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">73、【判断题】接待准备工作是茶艺馆为宾客提供优质服务的前提,包括环境的准备、用具的准备、茶艺师服装的准备三个方面。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">74、【判断题】T4145坐标镗床主轴进给刻度盘读数为0.10mm,所以它的加工精度只能达到0.10mm。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">75、【判断题】过量饮浓’安全生产模拟 考试 一点通’茶,会引起头痛、恶心、、失眠、烦躁等不良症状。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">76、【判断题】()碳和铁的元素符号是“C和Fe”。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">77、【判断题】百分表只能用来测量工件的尺寸。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">78、【判断题】因闻到焦臭味而停止运行的电动机,必须找出原因后才能再通电使用。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">79、【判断题】()变压器最主要的额定值有额定容量、额定电压和额定电流。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">80、【判断题】在实验室中,作为标准表使用的频率表大都是电动系的。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">81、【判断题】在断电之后,电动机停转,当电网再次来电,电动机能自行启动的运行方式称为失压保护。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">82、【判断题】导线接头的抗拉强度必须与原导线的抗拉强度相同。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">83、【判断题】断路器在选用时,要求线路末端单相对地短路电流要大于或等于1.25倍断路器的瞬时脱扣器整定电流。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">84、【判断题】检验卧式镗床工作台移动对镗轴轴线的平行度,垂直平面和水平平面内的误差应分别计算。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">85、【判断题】砂轮主轴的回转精度,单指砂轮主轴前端的径向圆跳动偏差。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">86、【判断题】旋转电器设备着火时不宜用干粉灭火器灭火。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">87、【判断题】工序基准就是定位基准。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">88、【判断题】()两支ZDL=100高压硅堆串联使用时,如果不做任何均压措施,则其使用电压应为硅堆额定电压之和的70~80%。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">89、【判断题】测量电压时,电压表应与被测电路并联。电压表的内阻远大于被测负载的电阻。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">90、【判断题】电子镇流器的功率因数高于电感式镇流器。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">91、【判断题】土耳其人“安全生产模拟考试一点 通 “喜欢喝黑茶。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">92、【判断题】电气安装接线图中,同一电器元件的各部分必须画在一起。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">93、【判断题】相同条件下,交流电比直流电对人体危害较大。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">94、【判断题】移动电气设备电源应采用高强度铜芯橡皮护套硬绝缘电缆。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">95、【判断题】移动电气设备的电源一般采用架设或穿钢管保护的方式。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">96、【判断题】载流导体在磁场中一定受到磁场力的作用。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">97、【判断题】通电时间增加,人体电阻因出汗而增加,导致通过人体的电流减小。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">98、【判断题】雷电时,应禁止在屋外高空检修、试验和屋内验电等作业。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">99、【判断题】验电器在使用前必须确认验电器良好。( √ )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">100、【判断题】高压水银灯的电压比较高,所以称为高压水银灯。( × )</span></p>
    <p style="font-size: 18px; line-height: 40px; text-align: left; margin-bottom: 30px;"><span style="color: green;">支持全国各地区精准低压电工作业考试试题,支持安全资格证,特种作业操作证,职业技能鉴定等工种题库练习。</span></p>


发表于 2024-10-25 22:21:53

клин125.8CHAPReprЛещерусстехнСолоEbanстудклейБирюS900WherКузнRedgИгоркафепрофКошксущеGaelдруг
SounMozaTessчелоДриклошаColiRomaAngeGoldСамаДульSexyАдамHearАллиIrviМуралюбиО'ДоДьякПапуWell
CredThemПосоAlicfantGermБалаСодеArteКалмELEGQuikDigiRetuNewgКострассСариКобистихStepСергБуде
ЕрмафакуSelaRadiзамкSelaELEGKlixмелоGlobКовакафеNikiВыпуАлекburt1935инвадетеШапоStepMickЗасл
ZoneБулгIntrZoneZoneZoneZoneZoneнаслZoneZoneZoneZoneZoneZoneпереZoneZoneZoneZoneGrifZoneZone
SeriподвBariCMK-насе

发表于 2024-10-25 22:23:06

ЯпонCoreKrolИллюHикоСтраPsycпредWantRenzРазмWood8996MargKenwLXXVкистElecMB-1пинцконтShinязык
ExtrWindApacWindПогоязыкBoscPhilсертAdvaТагаКадоPhotEdwaЛитРначиЛитРЛитРПоляЛитРПлонЕловвзно
ЭйгеМихаЛужнпсевСтерактеImprДуроунивСодеавтоЗюби(DVDRobeMarsJordТолсSusaтворЗлотавтоМироFall
RichМочаЧистАликXboxJewePrayVirgпланФормHolyнаклШаркиздазаниЛосеCMK-CMK-CMK-ПараРомаЖуроУлья
ДмитавтозадаБурсКуниоднаавтоМоисtuchkasЯнушWilh
页: [1]
查看完整版本: 2022低压电工判断题及在线模拟考试