【判断题】
[111]C-201润滑油压力低于160KPa引起辅助油泵自启。
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[112]裂解气压缩机复水液面是分程控制的。
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[113]乙烯制冷系统是也一个密闭的循环回路，采用蒸汽透平驱动的四段离心式压缩机。
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[114]在元素周期表中，同一族的元素，从上到下，金属性增强，非金属性减弱。
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[115]催化剂只能改变反应达到平衡的时间，不能使平衡发生移动。
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[116]催化剂将使平衡向正反应方向移动。
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[117]在元素周期表中，同一周期元素，从左到右，金属性逐渐增强，非金属性逐渐减弱。
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[118]如果物质的分子发生了变化，有新物质产生，这样的变化就是化学变化。
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[119]在工厂中所称的“压力”，实际上就是压强。
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[120]离心泵的运行电流与输送量无关.
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[121]换热器传热温差越大,换热能力也越大。
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[122]氢含量越低的原料,其裂解性能越差。
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[123]带支链的烷烃比直链烷烃难裂解。
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[124]含有相同碳原子的二烯烃和炔烃互为同分异构体。
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[125]气体只有在临界温度以下才能液化。
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[126]物质能量低的状态较能量高的状态稳定。
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[127]一般地，液体的粘度随温度的升高而降低。
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[128]一般地，气体的粘度随温度的升高而增大。
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[129]NaCl的溶解度随温度升高而明显增大。
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[130]一般地，含有10个碳原子以上的烯烃在常温常压下是气体。
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[131]润滑油三级过滤中第三级过滤网规格为80目。
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[132]催化剂在反应过程中少量反应。
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[133]催化剂在反应前后质量保持不变。
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[134]微分时间越长，微分作用越弱。
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[135]微分时间越长，微分作用越强。
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[136]积分时间越长，积分作用越弱。
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[138]由于被测流体可能混有杂物，所以为了保护椭圆齿轮流量计，必须加装过滤器。
【判断题】
[139]热电偶的热电特性由电极材料的化学成分和物理性能所决定。
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[140]压缩机在低速暖机之前就应该先将二级密封气投用。
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[141]压缩机在启机过程中要密切关注排气温度的变化。
【判断题】
[142]压缩机停机后，外引密封气电磁阀自动打开。
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[143]装置检修后在开车前所有仪表已彻底校验，DCS控制系统可随时投入使用。
【判断题】
[145]汽轮机试运前，转子盘车检查时．设备内应无摩擦、卡涩现象。
【判断题】
[146]汽轮机主汽门的作用是在危急状况下，迅速切断汽轮机的汽源。
【判断题】
[147]隔膜泵启动前不需灌泵与排汽。
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[148]塔罐倒空时，要先泄压，后倒空。
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[149]设备的基本维护工作主要包括检查、调整、润滑、清洁卫生、状态检测。
【判断题】
[150]塔器日常操作中，允许超温、超压。
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[151]润滑油“五定”的内容是定人、定点、定时、定量、定质。
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