[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fJy0TeaG6UWC_pKXr4WvINjcik5KHNMLv3f0YMpVNlu0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-04-06 20:42:03",181815724,[8,9,10,11],"①","③","②","④",{"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","如图压缩机的理论循环指示图,压缩过程曲线包括m=1、1<m<k、m=k、m>k四种情况,其中m=1对应( )曲线 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F35ad28f38cc280570658fe58a6ac645f.png\">",[21,33,42,52,61,69,76,87,96,105],{"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":44,"id":45,"options":46,"question":51,"source":31,"type":32},[],"2025-04-06 20:42:02",181815669,[47,48,49,50],"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":53,"createTime":44,"id":54,"options":55,"question":60,"source":31,"type":32},[],181815675,[56,57,58,59],"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":62,"createTime":44,"id":63,"options":64,"question":68,"source":31,"type":32},[],181815676,[50,65,66,67],"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":70,"createTime":44,"id":71,"options":72,"question":75,"source":31,"type":32},[],181815679,[73,74],"密封","润滑","活塞环起()作用",{"answer":77,"createTime":44,"id":78,"options":79,"question":86,"source":31,"type":32},[],181815681,[80,81,82,83,84,85],"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":88,"createTime":44,"id":89,"options":90,"question":95,"source":31,"type":32},[],181815685,[91,92,93,94],"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":97,"createTime":5,"id":98,"options":99,"question":104,"source":31,"type":32},[],181815687,[100,101,102,103],"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":106,"createTime":5,"id":107,"options":108,"question":113,"source":31,"type":32},[],181815689,[109,110,111,112],"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\">"]