【判断题】
[263]D-210分子筛只能吸附大于其孔径的分子。
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[264]裂解气压缩机C-201段间吸入温度高时将引起二烯烃聚合。
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[265]只有T-203碱洗才能除去酸性气中的有机硫。
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[266]CO使R-201碳二加氢催化剂中毒，降低其活性，过高的CO导致床层无温升，易漏炔，污染产品，但是相
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[268]R-201乙炔加氢过程中形成的乙烯、乙炔二聚、三聚的低聚物，是褐绿色透明状油体称为"绿油"。
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[269]T-201塔系统的操作与调整应遵循灵敏板温度相
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[270]乙烯装置中的废热锅炉排污水可用作T-203水洗段用水。
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[271]R-201加氢反应器设置段间冷却器的作用是提高加氢反应选择性。
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[272]C-201T透平低、中速暖机时，要保持机体导淋、抽汽导淋畅通。
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[273]C-201T透平排出侧温度过高，机体末端热膨胀将大于允许值，此时蒸汽入口端热膨胀不变，就会出现所谓的“翘尾巴”现象。
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[274]C-201压缩机只要缸体、转子、隔板和调速机构解体检修，试车中就要
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[275]压缩机油路系统一般是通过关闭油泵出口润滑油、调速油油压的调节阀，来降低润滑油、调速油的压力达到设定值以触动报警联锁，以验证油压联锁报警的准确性。
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[276]在C-501T透平单试过程中，不用严格按照蒸汽透平的升速曲线升速，但要在临界转速范围内作一定的停留。
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[277]“三查四定”工作的关键在于检查管线等是否按图施工，阀门、垫片、法兰的材质、选型等没有关注的必要。
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[278]用较高沸点的芳烃族系冲洗油洗涤叶轮和流道，可防止烯烃聚合物在压缩机内的聚集。
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[279]为了避免在压缩过程中温升过大，造成裂解气两双烯烃在较高的温度下发生大量聚合，以致发生形成聚合物堵塞C-201叶轮流道和密封件的情况，通常要求正常操作时各段裂解气出口温度低于100℃。
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[280]C-201干气密封的压力是根据干气密封气总管的压力决定的。
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[281]C-201密封气一般要求很干净，所以不设密封气过滤器。
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[282]C-501T透平出轴功率的变化可以由转速反映出来，转速增加，透平出轴功率增大，反之亦然。
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[283]C-601润滑油的更换期要看油的变质情况而定，油的粘度超过规定值的10％～15％，水份超过3％时应当更换。
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[284]蒸汽在C-201T汽轮机内膨胀做功时，转子受到两部分力，即轮周力和轴向推力。
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[285]C-201压缩机轴承合金损坏会使压缩机回油温度降低。
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[286]C-601压缩机轴位移大小与压缩机联锁无关。
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[287]C-201压缩机运行时，应定时巡回检查轴承温度、油压和压缩气体的进出口温度、压力的变化等。
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[288]C-201压缩机运行时，应经常检查和测听各转动零部件的振动和响声是否正常。
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[289]C-201压缩机运行时，应保持所在零部件齐全整洁，油路系统无渗漏无油污，水路系统无滴漏锈斑。
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[290]C-201每段吸入罐罐顶都设有捕沫器的目的是除去气体中的不凝气。
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[291]压缩系统吹扫时，仪表引压管线不应该吹扫，防止损坏仪表。
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[292]当裂解气压缩机吸入罐液面上升较快，可迅速去现场开打调节阀的旁通阀。
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[293]透平真空系统不允许有丝毫泄漏。
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[294]当压缩机发生严重喘振应急处理无效时，应立即停车处理。
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[295]压缩机机体导液时，当机体导淋有气体通过时关闭导淋。
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[296]压缩机油箱呼吸阀失灵，会导致回油不畅，使压缩机轴封漏油。
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[297]润滑油系统蓄压器投用时，先将其皮囊充氮气，再将皮囊外侧充油并排气，全开其出口阀
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[300]再生气进料加热器E-223用中压蒸汽加热。
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[301]再生气进料加热器E-223用高压蒸汽加热。
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