[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fEji9ykslO5DmNs1OBDXXeX3ljCp6W0R6JwmxLi_sy2s":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-01-08 17:30:40",129128359,[8,9,10,11],"the four stroke cycle","the four-stroke cycle","the two stroke cycle","the two-stroke cycle",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},115,"387be972678c6b7c964b909f59deaab6","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb352afbc1ea29fbb6d8c348e7b56bb46.jpg","轮机英语","work_29591357","Main engine","The slow speed main propulsion diesel usually operates on ___________",[21,32,41,50,59,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],129128348,[25,26,27,28],"length","bore","weight","material","The main factor determining the output of each cylinder is the cylinder __________","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],129128350,[36,37,38,39],"higher\u002Freduced","higher\u002Fincreased","lower\u002Freduced","lower\u002Fincreased","Medium speed engines have a _______ power to weight ratio than the slow speed two strokes, but due to the higher speeds tend to have _______ maintenance intervals",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],129128354,[45,46,47,48],"measure equipment","main electrical","my engine","main engine","The abbreviation "M\u002FE" is used to represent the _________",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],129128357,[54,55,56,57],"below 300","above 1,200","between 300 to 1,200","below 1,200","The term medium speed diesel engine is currently taken to mean an engine with an operating rotational speed of ________ rpm",{"answer":60,"createTime":5,"id":6,"options":61,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],129128362,[66,67,68,69],"none\u002Fboth","no\u002Fboth","none\u002Fbetween","no\u002Fbetween","A low speed engine requires ________ reduction gearbox ________ it and propeller",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],129128364,[75,76,77,78],"100rpm","200rpm","300rpm","500rpm","The rotating range of the low speed diesel engine is usually lower than __________",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],129128365,[84,85,86,87],"gas turbine","diesel engine","steam engine","gasoline engine","Porpulsion of the vast majority of contemporary merchant ships (especially containerships and VLCCs) utilizes ___________ as prime mover",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],129128367,[93,94,95,96],"a tug boat","a salvage ship","an oil tanker","a motor vessel","We call a ship equipped with a diesel engine as main engine _______",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],129128368,[102,103,104,105],"cross-head","cylinder","connecting rod","spark plug","A diesel engine is similar to a gasoline engine except that the former has no _________"]