[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1vp8twmNx0UDE-amNCR9A5gVVuhp5FQGy4D5LjPDEGY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":29,"type":30},[],"2025-04-06 20:42:02",181815679,[8,9],"密封","润滑",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},31,"8c7bccd3d46263fbff2f75b699d0079b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc10fc616e91552b2f83f6c41478e0ea3.png","过程流体机械-小视频版","exam_150939207","2章测试二","活塞环起()作用",[19,31,40,49,58,66,69,80,89,99],{"answer":20,"createTime":21,"id":22,"options":23,"question":28,"source":29,"type":30},[],"2025-04-06 20:42:01",181815665,[24,25,26,27],"容积系数≤1","在一定吸气压力下,排气压力越大,容积系数越大","膨胀过程气体吸热越多,容积系数越小","工作容积和余隙容积的差值,与工作容积之比","对于容积系数,下列说法正确的是( )","v1",0,{"answer":32,"createTime":21,"id":33,"options":34,"question":39,"source":29,"type":30},[],181815666,[35,36,37,38],"若弹簧力过弱,气阀工作时阀片会滞后关闭","弹簧力过弱,会造成排气量减小","弹簧安装在升程限制器上","若弹簧力过强,气阀工作时阀片可以更好的一直贴在升程限制器上","对于往复压缩机的气阀,下列说法错误的是( )",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":29,"type":30},[],181815669,[44,45,46,47],"其大小为实际吸入的气体体积折算至名义吸气压力、名义吸气温度后的体积与工作容积之比","其大小取决于进气过程中气体吸收的热量","产生的原因是吸气结束时气体的温度低于名义值","≤1","对于温度系数,下列说法正确的是( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":29,"type":30},[],181815675,[53,54,55,56],"汽缸余隙容积","出气节流","进气节流","驱动机调节","对于往复式压缩机,下列不能调节容积流量的是( )",{"answer":59,"createTime":5,"id":60,"options":61,"question":65,"source":29,"type":30},[],181815676,[47,62,63,64],"其大小为实际吸入的气体体积折算至名义吸气压力后的体积,与实际吸气过程活塞扫过的容积之比","吸气阀弹簧力越小,压力系数越小","产生的原因是有余隙容积","对于压力系数,下列说法正确的是( )",{"answer":67,"createTime":5,"id":6,"options":68,"question":17,"source":29,"type":30},[],[8,9],{"answer":70,"createTime":5,"id":71,"options":72,"question":79,"source":29,"type":30},[],181815681,[73,74,75,76,77,78],"二阶往复惯性合力为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa35712b8687e141fd149b9f54df73b18.webp\">","一阶往复惯性合力为2msa1","旋转惯性合力为2mrω2r","一阶往复惯性合力矩为0","二阶往复惯性合力矩为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fedd2c374d696d2b6cdf4ddf7427c0b83.webp\">","旋转惯性合力矩为0","如图,某对置式压缩机,两列的往复质量和旋转质量分别相等,分别为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7767ba311a5de9ff99dfc4dfedb59a1c.webp\">、\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff35a8900559c4aee6df8900bb9651431.webp\"> .用\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff5a86d31e08ca637ac08bac2b8cf1d4e.webp\"> 、 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1b3e40e8bf3d8740bae38dec4c1a2806.webp\"> 分别表示一、二阶往复惯性力,角速度为ω,质心平面在两列的中间.则下列说法错误的是( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1d377a1d1287f012529920b1f5ca1405.png\">",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":29,"type":30},[],181815685,[84,85,86,87],"吸排气阀出可能会有气体泄漏","吸排气时,汽缸内的压力保持恒定值","实际循环的压缩过程,过程指数是变化的","排气时,汽缸内的气体无法全部排出","对于实际循环,下列说法错误的是( )",{"answer":90,"createTime":91,"id":92,"options":93,"question":98,"source":29,"type":30},[],"2025-04-06 20:42:03",181815687,[94,95,96,97],"吸、排气时,气阀两侧压力相等","排气时,汽缸内的气体被全部排出","吸、排气过程无热交换","压缩过程无热交换","对于往复压缩机的理论循环,下列说法错误的是( )",{"answer":100,"createTime":91,"id":101,"options":102,"question":107,"source":29,"type":30},[],181815689,[103,104,105,106],"①、③","②、③","①、④","②、④","往复压缩机的实际循环如图所示,膨胀过程指数和压缩过程指数分别由小变大后的过程曲线是( ) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F466ee1726160ed071de2cb3b47ac80ce.png\">"]