[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f0fffP4PEorIu_h4B6ySI-BvjcRNsYWDKypnh0z1mjHc":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-10-19 00:00:27",100598755,[8,9,10,11],"voltmeter is positioned across the bus-bars to indicate their( ).A.current","voltage","power","Resistance",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},24,"2b5d64b5376607ddf6a508d891f11dbc","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb6c7a6e56c84d8b8560ed555a9406f29.png","轮机英语","7a4e9c91c3ed49b5b3d1586b0600b55a","船用电气设备运行管理测试","船舶电气设备概况",[21,32,40,49,58,61,70,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],100598744,[25,26,27,28],"prevent grounds in branch circuits","prevent opens in motor circuits","permit momentary(瞬间的) overloads without melting","guard lighting and electronic circuits","船舶电气设备概况Time delayed or delayed action-type fuses are designed to( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":39,"source":30,"type":31},[],100598749,[36,37,11,38],"Voltage","Current","Inductance","1船舶电气设备概况In a series circuit, which value will remain unchanged at all places in the circuit",{"answer":41,"createTime":5,"id":42,"options":43,"question":48,"source":30,"type":31},[],100598752,[44,45,46,47],"prevent the windings from becoming brittle","prevent moisture from condensing in the windings during shutdown","prevent acidic pitting of the slip rings","keep the lube oil warm for quick starting","船舶电气设备概况The main purpose of an electric space heater installed in a large AC generator is to ( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":30,"type":31},[],100598753,[53,54,55,56],"flame retardant(阻燃性)","moisture resistant","oil resistant","low conductivity","1船舶电气设备概况Electric wires should have each feature of the following except ( )",{"answer":59,"createTime":5,"id":6,"options":60,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":62,"createTime":5,"id":63,"options":64,"question":69,"source":30,"type":31},[],100598756,[65,66,67,68],"Emergency fire pump","Windlass","Main-sea water pump","Fresh water pump","1船舶电气设备概况( )belongs to emergency power supplying equipment",{"answer":71,"createTime":72,"id":73,"options":74,"question":79,"source":30,"type":31},[],"2023-10-19 00:00:28",100598758,[75,76,77,78],"An alternator","An electric motor","A diesel engine","A main switchboard","船舶电气设备概况( ) is a machine by which electrical energy is transformed into mechanical energy",{"answer":81,"createTime":72,"id":82,"options":83,"question":88,"source":30,"type":31},[],100598759,[84,85,86,87],"higher than that of copper","lower than that of copper","equal to that of copper","reached when the conductor it is protecting becomes 'white hot'","电气控制设备Since fuse elements are made of zinc or any alloy of tin and lead(铅锡合金), the melting point of the fuse element must be ( )",{"answer":90,"createTime":72,"id":91,"options":92,"question":97,"source":30,"type":31},[],100598760,[93,94,95,96],"has high resistance at low temperatures","has a highly polished surface","is able to pass current with little resistance","holds insulation together well","2电气控制设备Copper is often used as an electrical conductor because it ( )",{"answer":99,"createTime":72,"id":100,"options":101,"question":104,"source":30,"type":31},[],100598761,[102,9,10,103],"current","frequency","电气控制设备Ammeter is to measure the ( )"]