【判断题】
在稀释蒸汽发生器中，急冷油通过换热器壳程与工艺水换热
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只有进入运行末期的裂解炉才需要测量管壁温度
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当工作介质有毒、腐蚀、粘性大时，应装爆破片代替安全阀，或采用爆破片与安全阀共用的重叠式结构
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离心式风机出力能满足正常生产需要，是衡量其运转是否正常，效能是否良好的标准之一
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精馏塔的安全阀和各种指示仪表，即使灵敏准确，也应定期校验
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离心泵的泄漏会降低泵的效率，但不会增加泵的能量消耗
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采用热膨胀系数低、热疲劳强度高的材料可以减少废热锅炉的热应力，延长废热锅炉的运行周期
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换热器传热效果差的原因只有一个，即换热器结垢
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塔类设备在检修时，人孔拆卸必须自下而上逐只打开
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急冷油循环泵润滑油温度过高与轴承温度高无关
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裂解炉出口温度过高会造成裂解炉横跨温度高
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硫化氢是无色、易燃、有强烈臭鸡蛋气味的气体
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汽油分馏塔增加中段回流有利于降低急冷油的粘度
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确认急冷水已经出现乳化现象之后，可以降低急冷水循环量，以便已经乳化了的急冷水重新进行油水分层
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裂解炉辐射段炉管断裂会造成裂解炉气反窜进炉膛
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水压试验前容器和管道系统上的安全装置、压力表、液面计等附件及全部内构件均应装配齐全并经检查合格
【判断题】
水压试验前应将不参与水压试验的系统、设备、仪表和管道加盲板隔离
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系统吹扫时，仪表引压管线不应该吹扫，防止损坏仪表
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装置在吹扫期间应绘制专门的流程图，明确地标明吹扫进度，该图需存档备查
【判断题】
吹扫时应将安全阀与管道连接处断开并加盲板，以免脏物吹进阀底，磨损密封面
【判断题】
蒸汽管道的吹扫通常先吹扫主管然后吹扫支管
【判断题】
在吹扫操作时，可以将塔、罐等容器当做储气罐，吹扫与其相连的管道系统
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裂解炉的燃料气系统在吹扫前不需要拆除烧嘴
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冷却水系统管线开车前必需采用添加防腐蚀剂的循环水冲洗
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各等级蒸汽管线最后都要通过“打靶”来判断吹扫是否合格
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采用“打靶”来判断蒸汽管线吹扫是否合格时，应该选择距离汽源最远的用户放置靶片
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无论是哪个等级蒸汽驱动的透平，在使用前都要进行充分的暖管
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蒸汽系统暖管时，暖管速度无须控制，只要达到规定温度即可
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单机试运时，不同的系统应采用不同的试运介质
【判断题】
装置气密试验前，仪表系统DCS已调校完毕，具备使用条件
【判断题】
气密性试验前需仔细确认该系统已与其它系统隔离，防止其它系统超压
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当一个系统需要在法兰之间隔开时，法兰之间可以不加盲板
【判断题】
管道系统进行水压试验时，在确认系统内空气排尽后，可将压力直接升至试验压力，以缩短试验时间
【判断题】
为了节省开车前准备的时间，可以一边进行裂解炉的烘炉操作，一边进行后系统的干燥操作
【判断题】
为了节省开车前准备的时间,如果公用工程等条件具备，可以同时进行多台裂解炉的烘炉操作
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在急冷油油运时，其流程与正常生产时循环急冷油的流程完全相同
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