【判断题】
裂解炉汽包锅炉给水供给中断时.裂解炉应立即紧急停炉
A. 对
B. 错
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答案
A
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【判断题】
专项应急預案中处置措施应针对本单位事故类别和可能发生的事故特点、危险性制定的应急处置措施（如、煤矿瓦斯爆炸、冒顶片帮、火灾、透水等事故应急处理措施，危险化学品火灾、爆炸、中毒等事故应急处置措施）
A. 对
B. 错
【判断题】
乙烯装置碳二分段加氢不但可以严格控制各段的氢烃比.提高催化剂的选择性.还可以在段间移出热量.控制好下一段的起始反应温度，使反应在催化剂选择性较高的范围内进行，达到降低乙烷增量，提高乙烯收率的目的
A. 对
B. 错
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