第一章船舶动力装置0001 “Before disconnecting the Oil pipe ,would you flush the oil retained in the pipe _______?”asked the oil barge owner.0001 B A.by using of fresh water (用淡水)B.with compressed air(用压缩空气)C.by using Of sea water (用海水)D.with chemical compound(用化学混合物)油驳主人问:“在拆开油管前,你能否用压缩空气吹出保留在管路中的油呢?”加油结束后,在拆卸油管前,一般用压缩空气吹洗残留在软管内的油。
0002 “Stand by an engine”means _____。
“发动机备车”意“使发动机准备起动”。
A.“prepare to stop the engine ”(准备停止主机)B.“assemble an engine on its bedplate”(在机座上装配主机)C.“make an engine ready for starting”(使主机准备好以便起动)D.“dismantle an engine ”(解体主机)0002C0003 A _______ is the foundation of the engine,without the support of which the shaftalignment in particular,and engine structure as whole,would inevitably be lost.(机座是柴油机的基本,没有它的支撑柴油机整机结构的精确的轴线对中将会失去)A.Frame (机架)B.Bedplate(机座) C. Cylinder (汽缸)D.Liner(缸套)“机座”是发动机的基础。
0003 B0004 _______ are commonly used in mechanical-hydraulic governor to sense engine speeds.(在机械—液压式调速器中,飞重常被用来感应主机转速)A.Bulbs(n.鳞茎, 球形物)B.Bulks (n.大小, 体积, 大批, 大多数, 散装)C.Flyweights (飞重)D.Flywheels(飞轮、调速轮)在机械一液压式调速器中,感受发动机速度的部件是“飞重”。
0004C0005 _______ are generally formed in the frame of the both in-line and V ee engines to give maintenance access to the crankshaft main and connecting rod large end beading.在直列和V型柴油机中,道门通常是被装来提供维修曲轴主轴承和连杆大端轴承的通道。
A.Doors(道门)B.Aspirate gauzer(吸气滤网)C.Coupling (法兰)D.Blind (盲板)直列式和V型发动机的机架上一般都有维修通道(导门)。
0005A0006______arrangements have low temperature and high temperature exhaust gaspassing through adjacent ports,causing temperature differential problems for the linermaterial。
回流扫气式布置有低温和高温气流通过邻近的气口,使缸套金属产生温差问题A.Loop scavenge (回流扫气)B.Cross scavenge (横流扫气)C.Uniflow scavenge (直流扫气)D.Supercharge(增压)回流扫气中,扫气空气(温度较低)和废气(温度较高)经过相邻的气口。
0006A0007 ______became oval,it should be machined.十字头销变成椭圆形,它需要光车。
A.The upper half of cross-head bearing 十字头轴承上瓦B.the cross-head pin十字头销C.The cross-head bearing十字头轴承D.The cross-head guide plate十字头导板0007B0008 ______device is provided to prevent starting air from being admitted to the cylinder before the reversing is completed .一个联锁装置用来防止在盘车结束前允许起动空气进入气缸联锁装置可用来防止在发动机换向完成前启动空气进入到气缸。
A.An automatic (n. 自动机械adj.自动的, 无意识的, 机械的)B.A transmission (n.播送, 发射, 传动, 传送, 传输, 转播)C.A self-regulating (自动调节)D.An interlocking (.联锁的)0008D0009 _____fuel oils _____ lubricating oils require treatment before passing to the engine.在进入主机前燃油和滑油均需进行处理。
(燃油和滑油在进入发动机之前,都需要经过处理。
) 0009 AA.Both/and (两者都------) B.Neither/nor .两者都不C.Either/or(只能二选一的) D.Both/or (没此搭配)0010 _____is sometimes used for piston cooling since leaks into the crankcase would not cause problems.润滑油有时用来冷却活塞,因为它漏泄到曲轴箱不会产生问题0010 C滑油用作活塞冷却的一个好处是漏到曲柄箱不会产生污染问题。
A.Diesel oil (柴油)B.Hydraulic Oil(液压油, 水力(系统用)油)C.Lube oil(.润滑油)D.Mineral oil(矿物油)0011 _______ is the removal of exhaust gases by blowing in fresh air.扫气是通过鼓进新鲜空气而清除废气。
(通过吹人新鲜空气去除废气的过程叫“扫气”。
A项意“气体交换”;B项意“充气”) D项意“增压”。
A.Gas exchange (交换气体)B.Charging (.装料,炉料或增压)C.Scavenging (扫气)D.Supercharging (增压)0011 C0012 _______ is used for cylinder and cylinder head,the salt water is used for cooling thelubricating oil,the fresh water in the coolers and the charging air in the air cooler.淡水用来冷却汽缸和气缸盖,海水用来冷却滑油,淡水在冷却器里,增压空气在空气冷器中A.The fuel oil (燃油)B.The lube oil(滑油)C.The sea water (海水)D.The fresh water (淡水)用作气缸和气缸头冷却的是淡水。
0012D0013 _______ may be the first possible cause which makes the engine to lose power orslow down when it is running.当柴油机运行时,轴承发热是引起柴油机功率损失或转速下降先要的可能原因(发动机运行过程中功率下降或失速的第一可能原因是轴承过热。
)A.Hot bearing (轴承发热)B.Starting valves(起动阀)C.Unequal distribution of load (负荷分荷环均匀)D.Excessive crankshaft clearance(轴承间隙过大)0013 A0014 _______ of an engine crankshaft can be detected by measuring detections of crankwebs for each unit of the engine.柴油机轴线失中情况可通过测量柴油机曲轴各个单位曲柄不同位置的臂距值进行判断。
(发动机曲轴失中可以通过测量臂距差来判断。
)A.Misalignment失中B.length (n.长度, 长, 时间的长短, [语]音长)0014AC.Strength (n.力, 力量, 力气, 实力, 兵力, 浓度)D.Stresses (n.重压, 逼迫, 压力, 重点, 着重, 强调, 重音)vt. 着重, 强调, 重读0015 _______of the A-frames there is a strong cast iron frame called the scavenging air box.在A-型机架的顶部有一个称为扫气箱的坚固的铸铁结构(发动机A字架的顶部有扫气箱。
)A.At the top (在顶部)B.At the bottom (在底部)0015AC.In the top (无此结构)D.In the bottom (无此结构)0016 _______ pistons have low inertia and high coefficient of thermal expansion铝活塞具有惯性低和热膨胀系数高的(特点)。
(铝质活塞具有惯性小(重量轻)、热膨胀系数大的特点。
)A.Cast iron (n.铸铁, 锻铁)B.Cast steel (坩埚钢,铸钢)0016DC.Forged steel (铸钢)D.Aluminum (铝)0017 _______ scavenging means both exhaust ports and scavenging ports are arranged tothe same side.回流扫气意思是扫气口和排气口都布置在同一侧。
)回流扫气式发动机中,扫气口和排气口布置在同一侧。
) 0017C A.Uniflow (直流)B.Cross(横流)C.Loop(回流) D.Straight(直的)0018 _______ Should not undertake any task which will interfere with the supervision dutiesrelating to the main machinery and associated equipment.0018A值班人员不应分派任何将妨碍管理主机和辅机职责的任务。