[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$ftkOyDmmZ5zHW8twMNebSr2bO7p3IentLi-AVR1XSHy4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-11-08 06:53:41",104020145,[8,9,10,11],"use energy from fuel burned outside their cylinders","burn fuel in a combustion chamber that moves back and forth","burn fuel in a chamber where its energy moves a piston up and down","a continuous combustion process to impart rotary motion to the pistons",{"courseId":13,"courseImg":14,"courseName":15},"efd1bdad706e599d9b73ea991cc230b4","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd9eaef8ea2690faba12fec4caf2d0cf6.jpg","轮机英语","Diesel engines are classified as reciprocating internal combustion engines because they( )",[18,29,38,47,50,59,68,77,86,96],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],104020142,[22,23,24,25],"method of supplying air","cooling system","method of igniting fuel燃油点火方式","valve operating mechanism","The main operating characteristic 主要运行特征of diesel engines 柴油机which distinguishes them from区别于 other internal combustion engines内燃机 is the( )","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],104020143,[33,34,35,36],"flexibility","efficiency效率","reliability","controllable ability","The low speed diesel engines 低速柴油机are tall 高的to allow for 考虑到,顾及long strokes长行程 which improve改善 engine( )",{"answer":39,"createTime":5,"id":40,"options":41,"question":46,"source":27,"type":28},[],104020144,[42,43,44,45],"low temperature","internal combustion","spark plug","gear box","A slow speed or medium speed diesel engine is a high pressure propulsion plant with.( )",{"answer":48,"createTime":5,"id":6,"options":49,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":27,"type":28},[],104020147,[54,55,56,57],"turbines","engines","machines","mechanisms","The diesel engines have an important role in the shipping industry of their improved engine efficiencies and designs compared to other forms of propulsion such as steam or gas( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":27,"type":28},[],104020149,[63,64,65,66],"bulk carriers","general cargo ships","passenger ships","reefers","The three largest categories of ships are container ships,( ) (for bulk goods such as grain, coal, ores, etc.) and tankers, which again can be divided into more precisely defined 24classes and types",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":27,"type":28},[],104020150,[72,73,74,75],"Steam engine","Gasoline engine","Gas turbine","Diesel engine","Of all types of commercial(商用) internal combustion engines now built, which one usually gives thebest performance,and hence it is quite commonly used in marine applications(应用),especially(尤其) in larger sizes?( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":27,"type":28},[],104020152,[81,82,83,84],"gas rather than steam","steam rather than gas","fuel rather than steam","steam rather than exhaust","Gas turbines differ from steam turbines in that( )is used to turn a shaft",{"answer":87,"createTime":88,"id":89,"options":90,"question":95,"source":27,"type":28},[],"2023-11-08 06:53:42",104020154,[91,92,93,94],"at relatively low speed","at anticlockwise speed","at relatively middle speed","at clockwise speed","In the merchant ship, a propeller,in order to operate efficiently, must rotate( )",{"answer":97,"createTime":88,"id":98,"options":99,"question":104,"source":27,"type":28},[],104020156,[100,101,102,103],"increased horsepower","reduced efficiency","increased heat loss","lower cylinder pressure","Increasing the compression ratio压缩比 of a diesel engine while maintaining保持 the designed rate速率 of fuel flow will result in ( )"]