[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8qbiGonRosSrfN7vOq5iQvg9RUKNUhyzycT9KQQ5ZiY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2026-05-06 10:07:59",358944274,[8,9,10,11],"发动机排量","燃烧室容积","气缸工作容积","气缸总容积",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},77,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167822553","","上下止点之间所包容的气缸容积称为( )",[21,26,35,44,53,62,71,80,88,97],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],358944275,[30,31,32,33],"六大系统","三大系统","四大系统","五大系统","汽油机通常由两大机构和( )组成的",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],358944276,[39,40,41,42],"汽油发动机","柴油发动机","液化石油气发动机","双燃料发动机","不用火花塞进行点火的是( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],358944277,[48,49,50,51],"360&deg;","540&deg;","720&deg;","180&deg;","四冲程发动机活塞每移动一个行程,曲轴旋转( )曲轴转角",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],358944278,[57,58,59,60],"进气门开启,排气门关闭","进气门关闭,排气门关闭","进气门关闭,排气门开启","进气门开启,排气门开启","在进气冲程终了活塞到达BDC时, 进排气门分别处于什么状态",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],358944279,[66,67,68,69],"升功率","强化率","热效率","输出率","发动机在标定工况下,单位发动机排量输出的有效功率称为( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],358944280,[75,76,77,78],"将化学能转化为机械能","将化学能转化为内能","将热能转化为机械能","以上答案都不对","内燃机是( )的装置",{"answer":81,"createTime":5,"id":82,"options":83,"question":87,"source":24,"type":25},[],358944281,[84,85,86],"15:1","1","1:15","汽油燃烧的理论空燃比约为( )",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":24,"type":25},[],358944282,[92,93,94,95],"1500次","750次","6000次","3000次","四冲程发动机曲轴,当其转速为 3000r\u002Fmin时,则同一气缸的进气门,在1min 内开闭次数应该是( )",{"answer":98,"createTime":5,"id":99,"options":100,"question":101,"source":24,"type":25},[],358944283,[11,10,9,8],"当活塞处于下止点位置时,活塞顶部以上的空间称( )"]