[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$feNj195mBICx6vPeJQqae4OJ40eIjgYfzqiKGqPJYAuA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-04-06 20:42:02",181815685,[8,9,10,11],"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",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},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","对于实际循环,下列说法错误的是( )",[21,33,42,51,60,68,75,86,89,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-04-06 20:42:01",181815665,[26,27,28,29],"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":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],181815666,[37,38,39,40],"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":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],181815669,[46,47,48,49],"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":52,"createTime":5,"id":53,"options":54,"question":59,"source":31,"type":32},[],181815675,[55,56,57,58],"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":61,"createTime":5,"id":62,"options":63,"question":67,"source":31,"type":32},[],181815676,[49,64,65,66],"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":69,"createTime":5,"id":70,"options":71,"question":74,"source":31,"type":32},[],181815679,[72,73],"密封","润滑","活塞环起()作用",{"answer":76,"createTime":5,"id":77,"options":78,"question":85,"source":31,"type":32},[],181815681,[79,80,81,82,83,84],"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":87,"createTime":5,"id":6,"options":88,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":90,"createTime":91,"id":92,"options":93,"question":98,"source":31,"type":32},[],"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":31,"type":32},[],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\">"]