[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f4y7X3NSN92d06K3Cs-0tiyVNrhUFncbs5F4H99c-tKM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2023-11-08 01:17:13",103908326,[8,9,10,11],"reciprocating pump","positive displacement pump","centrifugal pump","centripetal pump",{"courseId":13,"courseImg":14,"courseName":15},"d3091ccddf441f3e64008f890b0c8a6b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1475cbd23f0fb197e8d38070b8c085b8.jpg","轮机英语","A vane pump belongs to _____ according to its working principle",[18,30,39,48,57,66,73,76,85,94],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2023-11-08 01:17:12",103908313,[23,24,25,26],"water-tube","fire-tube","exhaust gas","None of the above is true","In a _____ boiler the hot gases from the furnace pass through the tubes while the water is on the outside","v1",0,{"answer":31,"createTime":5,"id":32,"options":33,"question":38,"source":28,"type":29},[],103908315,[34,35,36,37],"fire-tubes","furnaces","down-comers","soot-blowers","Large pipes or _____ are fitted between the steam and water drums to ensure good natural circulation of water",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":28,"type":29},[],103908317,[43,44,45,46],"fire","water wall","generating","down comer","Between the steam dram and the smaller water dram below, large numbers of smaller diameter _____ tubes are fitted",{"answer":49,"createTime":5,"id":50,"options":51,"question":56,"source":28,"type":29},[],103908319,[52,53,54,55],"Safety valves","Water tubes","Steam stop valves","Blow down valves","_____ are mounted in pairs to protect the boiler against overpressure",{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":28,"type":29},[],103908322,[61,62,63,64],"Water Head Register","Water Heater Re-circulating","Waste Heat Recovery","Waste Handle Reference","W.H.R stands for _____",{"answer":67,"createTime":5,"id":68,"options":69,"question":72,"source":28,"type":29},[],103908324,[8,70,10,71],"gear pump","vane pump","In general, _____ is suitable for delivering small quantities at high pressure",{"answer":74,"createTime":5,"id":6,"options":75,"question":16,"source":28,"type":29},[],[8,9,10,11],{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":28,"type":29},[],103908329,[80,81,82,83],"positive displacement","ejector","centrifugal","air compressor","Through a _____ pump, the liquid is transferred from the suction to the discharge by the mechanical variation of the volume of a chamber or chambers",{"answer":86,"createTime":5,"id":87,"options":88,"question":93,"source":28,"type":29},[],103908332,[89,90,91,92],"variable stroke pumps","multistage pumps","positive displacement pumps","triple-ported pumps","The gear, screw, and vane pumps are all classified as _____",{"answer":95,"createTime":5,"id":96,"options":97,"question":102,"source":28,"type":29},[],103908334,[98,99,100,101],"propeller","impeller","circumference","screw","A centrifugal pump produces the required pressure energy by means of a rotating _____ provided with vanes"]