[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fBvPKHpWMO_IACuc6Pr0ED0_CgVfvmp2qHBL79mxvFXE":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":111,"createTime":26},155340181,"v1","In addition to planned maintenance requirements and circumstances permitting, crankshaft deflections are to be taken at each ________",[8,9,10,11],"piston removal","piston replacement","cylinder replacement","dry-docking",[],[14,27,37,47,57,67,77,87,97,107],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},155340167,"The cetane number of a diesel fuel oil indicates it's_________",[18,19,20,21],"heating value","viscosity","ignition quality","acid content",[],[],0,null,"2024-06-25T14:56:17+08:00",{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":24,"origin":25,"createTime":26},155340169,"______ fitted to engines have to deal with wide load ranges and they cannot be efficient at all loads",[31,32,33,34],"Blower","Turbochargers","Crosshead","Piston",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":45,"related":46,"type":24,"origin":25,"createTime":26},155340171,"__________valves which can be operated from outside the machinery space must be fitted to all tanks and to the main inlet to the engine",[41,42,43,44],"Quick opening","Slow closing","Quick closing","Slow opening",[],[],{"id":48,"source":5,"question":49,"options":50,"answer":55,"related":56,"type":24,"origin":25,"createTime":26},155340173,"Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye",[51,52,53,54],"Semi-floating","Full floating","Stationary","Free rolling",[],[],{"id":58,"source":5,"question":59,"options":60,"answer":65,"related":66,"type":24,"origin":25,"createTime":26},155340175,"Smaller engines can be made more rigid than large ones and may not have________",[61,62,63,64],"through bolts","connecting rods","crankshaft","crankcase",[],[],{"id":68,"source":5,"question":69,"options":70,"answer":75,"related":76,"type":24,"origin":25,"createTime":26},155340177,"The depth of fuel oil in a tank is normally measured through the _________",[71,72,73,74],"feed line","overflow line","sounding tube","vent line",[],[],{"id":78,"source":5,"question":79,"options":80,"answer":85,"related":86,"type":24,"origin":25,"createTime":26},155340178,"For the diesel oil supply line of incinerator , mesh size for strainer is max. ______",[81,82,83,84],"55-75 um","50-70 um","60-75 um","50-75 um",[],[],{"id":88,"source":5,"question":89,"options":90,"answer":95,"related":96,"type":24,"origin":25,"createTime":26},155340179,"Before the lubricating oil is entered into the system again, it must be purified by the ________ in the drain tank.(图)",[91,92,93,94],"purifier","separator","strainer","Cleaner",[],[],{"id":98,"source":5,"question":99,"options":100,"answer":105,"related":106,"type":24,"origin":25,"createTime":26},155340180,"In a trunk engine the cylinder-lubrication is done by the oil mist thrown up by_________.(图)",[101,102,103,104],"the piston rod","the camshaft","the crank","the oil pump",[],[],{"id":4,"source":5,"question":6,"options":108,"answer":109,"related":110,"type":24,"origin":25,"createTime":26},[8,9,10,11],[],[],{"courseName":112,"courseImg":113,"workName":114,"workId":115,"count":116,"courseId":117},"轮机英语","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F732f110bffb423ebc0aea6098f68b74c.jpg","单元测试 4","exam_122467833",92,"e8fb634827ab27bf51319eb8230a90eb"]