[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhqGcdYuo21GMwqNbbRw-wO_3zQ235dSXundL8qeK-Fk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":22,"type":23},[],"2023-05-16 04:45:25",12300397,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},10,"373427d08f7015f1925b3d9e1478ea46","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F813e994b78b0e2604b722679f2b4cda7.jpg","电厂锅炉原理与设备","ff2da690107e40afbf8930cb6e53b2bc","3.1 锅炉热平衡、输入热量、有效利用热量、锅炉效率和燃料消耗量","锅炉热平衡指的是锅炉的输入热量和输出热量相等",[19,24,29,38,47,56,66,75,84,94],{"answer":20,"createTime":5,"id":6,"options":21,"question":17,"source":22,"type":23},[],[8,9],"v1",3,{"answer":25,"createTime":5,"id":26,"options":27,"question":28,"source":22,"type":23},[],12300398,[8,9],"当前火力发电厂普遍采用正平衡法计算锅炉热效率",{"answer":30,"createTime":5,"id":31,"options":32,"question":36,"source":22,"type":37},[],12300399,[33,34,35],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F32e8f51518154f5f19db518aad155ea1.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5c85fd9320f632a2ac5454c54e0dab1d.webp\">+\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F13bce9660b2b25919e0a0aea24beac96.webp\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F330925f3142df03a5772e95bc70bf481.webp\">","燃煤锅炉,若煤和空气没有外热源加热,且Mar<\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9df3b2c56a09f46b58c66859dced849d.webp\">时,锅炉的输入热量是",0,{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":22,"type":37},[],12300400,[42,43,44,45],"实际燃料消耗量,计算燃料消耗量","计算燃料消耗量,实际燃料消耗量","实际燃料消耗量,实际燃料消耗量","计算燃料消耗量,计算燃料消耗量","进行燃料燃烧计算是采用的是( ),进行制粉系统设计计算是采用的是( )",{"answer":48,"createTime":5,"id":49,"options":50,"question":55,"source":22,"type":37},[],12300401,[51,52,53,54],"正平衡方法测热效率,只需要测定燃料消耗量和锅炉有效利用热量两个物理量即可,所以测量简单,准确","反平衡方法测热效率,需要分别测定各项热损失,测量物理量多,所以测量更繁琐,准确性低","反平衡法测定各项热损大小,找到提高锅炉热效率的途径","电厂普遍采用正平衡法测定锅炉热效率","以下说法正确的是( )",{"answer":57,"createTime":5,"id":58,"options":59,"question":64,"source":22,"type":65},[],12300402,[60,61,62,63],"燃料低位发热量","燃料物理显热","外热源加热空气带入的热量","雾化燃油用蒸汽代入热量","锅炉的输入热量包括( )",1,{"answer":67,"createTime":5,"id":68,"options":69,"question":74,"source":22,"type":65},[],12300403,[70,71,72,73],"过热蒸汽吸热量","再热蒸汽吸热量","排污水吸热量","空气预热器吸热量","锅炉有效利用热量包含( )",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":22,"type":65},[],12300404,[79,80,81,82],"计算燃料消耗量是实际参与燃烧反应的燃料量","实际燃料消耗量是实际送入炉膛内的燃料量","计算燃料消耗量用于燃料燃烧计算,实际燃料消耗量用于制粉和输煤系统的计算","实际燃料消耗量中扣除没有参与燃烧的燃料量就是计算燃料消耗量","关于燃料消耗量说法正确的是( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":93,"source":22,"type":65},[],12300405,[88,89,90,91,92],"水冷壁","省煤器","过热器","再热器","空气预热器","锅炉有效利用热量是指下列哪些受热面中工质所吸收的热量( )",{"answer":95,"createTime":5,"id":96,"options":97,"question":101,"source":22,"type":65},[],12300406,[98,99,73,100],"各项热损失","锅炉有效利用热量","燃料燃烧释放热量","锅炉的输出热量包含( )"]