[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$feAgzv9WL3WnX_tjut1GRrG2rzy87tCJaCz7ZXO4qaio":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":26,"type":27},[],"2024-06-26 12:26:34",155265616,[8,9,10,11],"after TDC","before TDC","before BDC","after BDC",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},50,"bef58afe392d5d6d8a70178c0b6888fa","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","轮机英语阅读（22232学期）","work_35837365","实习报告","For an ordinary four-stroke engine the exhaust valves open ______",[21,28,37,47,57,66,75,84,87,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":25,"source":26,"type":27},[],155265574,[11,9,10,8],"For an ordinary modern marine four-stroke engine the inlet valves open ______","v1",0,{"answer":29,"createTime":5,"id":30,"options":31,"question":36,"source":26,"type":27},[],155265582,[32,33,34,35],"once every two crankshaft revolutions","once every crankshaft revolution","once every piston stroke","twice every piston stroke","In a single acting, four-stroke\u002Fcycle diesel engine, the power impulse in an individual cylinder occurs ______",{"answer":38,"createTime":39,"id":40,"options":41,"question":46,"source":26,"type":27},[],"2024-06-26 12:26:33",155265586,[42,43,44,45],"valve uniflow","valve loop","valve overlap","valve grinding","The period when both inlet valves and exhaust valves are open is referred to as ______",{"answer":48,"createTime":49,"id":50,"options":51,"question":56,"source":26,"type":27},[],"2024-06-25 11:01:47",155265592,[52,53,54,55],"the exhaust stroke","the suction stroke","the compression stroke","the expansion stroke","During ______ the air in the cylinder is compressed. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3052c70b902f1bc87a63df0da247427e.png\">",{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":26,"type":27},[],155265598,[61,62,63,64],"exhaust manifold","pressure of the fresh air charge","valve adjusting gear","valve bridge","In a two-stroke\u002Fcycle diesel engine, the exhaust gases are expelled from the cylinder by the ______",{"answer":67,"createTime":39,"id":68,"options":69,"question":74,"source":26,"type":27},[],155265604,[70,71,72,73],"low heating value and high sulphur content","low flash point and high viscosity","high calorific value and low sulphur content","high flash point and high viscosity","The desirable properties of a marine fuel oil should include ______",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":26,"type":27},[],155265610,[79,80,81,82],"bottom center","BDC","top center","TDC","Fuel injection begins during the compression stroke, before the piston reaches ______",{"answer":85,"createTime":5,"id":6,"options":86,"question":19,"source":26,"type":27},[],[8,9,10,11],{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":26,"type":27},[],155265622,[91,92,93,94],"piston","crank","crankshaft","connecting rod","Effective horsepower is the power developed by the ______ in the cylinder, but some of this is lost by friction within the engine",{"answer":97,"createTime":98,"id":99,"options":100,"question":101,"source":26,"type":27},[],"2024-06-25 11:01:48",155265626,[54,52,53,55],"During ______ the gases are driven out of the cylinder by the piston. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F64303bc0da1442d8c0c3f0c80234ce23.png\">"]