[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fC4dd-c7CIE_wsgqYmpqfRBUnKeXSAxCq5sV6FH08h7M":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2023-05-08 20:06:21",968509067,[8,9,10,11],"活塞在上止点时活塞顶上方的容积","活塞在下止点时,活塞顶上方的容积","活塞从上止点至下止点所扫过的容积","活塞在中点时,活塞顶上方的容积",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000010036","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7cffcdd78c8fb7388e9fafe41bff2eec.png","船舶的心脏——主动力装置（山东联盟）","54507683","第一章单元测试","柴油机燃烧室容积是指________",[20,31,40,49,58,67,76,85,88,97],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],968509006,[24,25,26,27],"气缸与进气管是相通的","气缸与排气管是相通的","气缸与进、排气管是相通的","气缸与起动空气管相通","四冲程柴油机在进行燃烧室扫气时,它的________","v2",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],968509015,[35,36,37,38],"进气提前角+排气提前角","进气提前角+排气滞后角","进气滞后角+排气提前角","进气滞后角+排气滞后角","四冲程柴油机的气阀重叠角等于________",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":29,"type":30},[],968509022,[44,45,46,47],"柴油机是一种往复式内燃机","柴油机是一种在气缸中进行二次能量转换的内燃机","柴油机是一种压缩发火的往复式内燃机","柴油机是一种压缩发火的回转式内燃机","根据柴油机的基本工作原理,下列______定义最准确",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":29,"type":30},[],968509032,[53,54,55,56],"回转均匀,换气质量好","换气质量差,作功能力差","输出功率大,回转均匀","输出功率大,回转不均匀","二冲程和四冲程柴油机比较,在相同工作条件下________",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":29,"type":30},[],968509039,[62,63,64,65],"n≤100 r\u002Fmin","n≤200r\u002Fmin","n≤300r\u002Fmin","n≤500r\u002Fmin","按我国有关规定,低速柴油机的转速范围为________",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":29,"type":30},[],968509044,[71,72,73,74],"横流","回流","直流","半回流","排气口与扫气口分别设在气缸中心线相对两侧的缸套,其换气形式称________",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":29,"type":30},[],968509045,[80,81,82,83],"内部燃烧","压缩发火","使用柴油做燃料","用途不同","在内燃机中柴油机的本质特征是________",{"answer":86,"createTime":5,"id":6,"options":87,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":29,"type":30},[],968509101,[92,93,94,95],"气缸的最低位置","工作空间的最低位置","曲柄处于最低位置","活塞离曲轴中心线的最近位置","柴油机下止点是指________",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":29,"type":30},[],968509105,[101,102,103,104],"130~150°","100~120°","150~180°","110~130°","二冲程柴油机换气过程所占曲轴转角一般为________"]