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  • Cracks in cylinder and cylinder covers may （） from unequal

    Cracks in cylinder and cylinder covers may （） from unequal heating.发动机实际工作状态好坏的标准可用（）衡量。Ⅰ.主机的推进特性曲线；Ⅱ.主机的负荷特性曲线；Ⅲ.发电柴油机的负荷特性曲线串联系统的部件数目n

  • Charging-air pressure increases if there is incorrect combus

    Charging-air pressure increases if there is incorrect combustion and drop in the （） of the diesel engine.船舶动力装置的主要耗能设备是（）。Ⅰ.螺旋桨；Ⅱ.主机、发电机和辅助锅炉；Ⅲ.空气压缩机二冲程低速

  • Cast iron carrier rings, （） machined grooves, are provided

    Cast iron carrier rings, （） machined grooves, are provided for all the pistons.使用含有（）的燃油添加剂,可使烟灰失去粘性,导致烟灰沉积趋势的减少。Ⅰ.氧化铜；Ⅱ.氧化铁The engine will fail to start unles

  • Cylinder liner cooling is often referred to as （）.

    Cylinder liner cooling is often referred to as （）.动力装置燃料消耗率bz指的是动力装置每小时燃油消耗量与（）之比。产品的维修度是表示产品（）。Ⅰ.对维护、修理的适应性；Ⅱ.对产品进行维修的难易程度废气锅炉

  • Cylinders of marine diesel engines are normally cooled by （

    Cylinders of marine diesel engines are normally cooled by （）.尾轴锥形轴段出现裂纹的主要原因是（）。Ⅰ.疲劳；Ⅱ.振动；Ⅲ.撞击For one or two types of engine,the piston and rod can be withdrawn downwards

  • Crankshafts of medium speed engines are （） from a single p

    Crankshafts of medium speed engines are （） from a single piece of steel.并联连接系统的不可靠度（）系统中任一并联部件的不可靠度。增压器的转子是在拆下（）以后,从（）端抽出来的。对于质量分布在同一平面

  • Charging is the filling of the engine cylinder with a supply

    Charging is the filling of the engine cylinder with a supply or charge of fresh air （） compression.现代柴油机排烟温度下降,不利于废气锅炉的余热利用,因此规定废气锅炉设计的标定工况是：废气锅炉排气进口

  • Compressed air is used on board ship （）.

    Compressed air is used on board ship （）.桨叶经焊补修理后,为保证焊补质量应进行（）等处理。Ⅰ.磨光；Ⅱ.着色探伤；Ⅲ.测螺距；Ⅳ.静平衡试验；Ⅴ.退火。Cylinder wall temperature, fuel oil supplier, and oil pas

  • Compressed air is supplied by air compression to （）.

    Compressed air is supplied by air compression to （）.充分利用技术管理指导性文件的目的在于（）。Ⅰ.制定操作规程；Ⅱ.判断设备的实际技术状态；Ⅲ.指导维修Sulzer公司生产的大型低速柴油机,其主轴承的液压撑杆螺

  • Cooling of engine is achieved by circulation a cooling liqui

    Cooling of engine is achieved by circulation a cooling liquid around internal passages within the （）.将主轴颈下沉量视为主轴承下瓦的磨损量是由于（）。测量曲轴臂距差时,曲轴旋转一周,可依次测得臂距值为

  • Diesel engines are started by supplying （） into the cylind

    Diesel engines are started by supplying （） into the cylinders in the appropriate sequence for the required direction.轴系理论中心线是（）的定位安装基准。油润滑艉轴承材料常采用（）耐磨合金。In genera

  • Charging is the filling of the engine cylinder with a supply

    Charging is the filling of the engine cylinder with a supply of （） for compression.十字头式柴油机某缸冷却水压力表指针波动时,表明（）有穿透性裂纹。曲轴臂距差对应着曲柄的变形,若臂距差大于零,则在垂直平

  • Before being used the fuel service tank should be drained of

    Before being used the fuel service tank should be drained of （）.船上吊缸检修中一般不需进行（）。航行中,柴油机曲轴发生断裂事故,条件许可时可采用（）应急措施进行修理。Ⅰ.金属扣合工艺；Ⅱ.焊接；Ⅲ.局部更新

  • Before replacing a piston you should check the rings to see

    Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible （）.艉轴管装置的主要作用是（）。Ⅰ.支承,Ⅱ.减磨,Ⅲ.密封,Ⅳ.散热,Ⅴ.构成轴系。尾轴锥形轴

  • Before starting the engine the air bottle should be （）.

    Before starting the engine the air bottle should be （）.换新十字头轴瓦时,十字头销与轴承下瓦在（）内的接触面积不少于（）。增压器校中测量是通过测量（）间隙进行对中情况的精确检验。加热温度在（）以下进行

  • Care and cleanliness are required when installing diesel fue

    Care and cleanliness are required when installing diesel fuel filters （）.为了满足船舶续航力的要求,船上必须设有（）。螺旋桨0.4R以内的缺陷（）修理。Operating a diesel engine for prolonged periods, wit

  • Before a marine diesel engine is started the cylinders and p

    Before a marine diesel engine is started the cylinders and pistons must be （）.F（r）直接反映出故障随（）变化的规律,故称为累积故障的概率。下列（）情况下,必须对活塞运动部件进行校中。If the engine does

  • Blow-off of the relief valves of the main cylinders during o

    Blow-off of the relief valves of the main cylinders during operation indicates （）.在上紧重要螺栓的螺母之前,应将螺纹部分和各承压面彻底清洁干净并涂以适当的润滑剂（如二硫化钼）,其主要目的是（）。航行中

  • Bridge gauge can be used to measure （） of a diesel engine.

    Bridge gauge can be used to measure （） of a diesel engine.废气锅炉烟道温度在1000℃以上时可能发生（）。废气锅炉受热面废气温度不能太低,否则凝结的硫酸可使烟灰有粘性,会增加烟垢形成的趋势,因此锅炉废气出口

  • Before starting the turning gear, （） should be worked by h

    Before starting the turning gear, （） should be worked by hand to minimize corrosive action on the liners.中间轴常见的失效形式有（）。The efficiency of turbocharge system is increased by fitting a ch

  • Before pumping up the crankcase oil,（） should be worked by

    Before pumping up the crankcase oil,（） should be worked by hand to minimize corrosive action on the liners.柴油机吊缸时,不正确的做法是（）。当气阀阀面出现麻点、腐蚀时可采用（）工艺修复。螺旋桨的缺陷

  • Before replacing a piston you should check the rings to see

    Before replacing a piston you should check the rings to see that all clearances and gaps are （） the permissible tolerances.保证和提高船舶动力装置的可靠性问题,将贯穿在（）。Ⅰ.整个设计阶段；Ⅱ.整个制造

  • Before "stand-by" is rung on the engine telegraph, it is usu

    Before "stand-by" is rung on the engine telegraph, it is usual to give the main engine （） ahead and astern.动力系统包括下列管路系统（）。辅助系统是为船舶平衡、稳性、人员生活和安全服务的管路系统,也称

  • At least （） cylinders in four-stroke engine will be config

    At least （） cylinders in four-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.If the engine does start on air, but combustion does

  • As the plunger moves up, the ports are closed and the fuel

    As the plunger moves up, the ports are closed and the fuel （） and delivered to the injector nozzle at very high pressure.超级汽轮发电系统（STG）是废热利用联合装置,其余热利用装置有（）。Ⅰ.废气/蒸汽联

  • Bearing knocks are likely to occur from （）.

    Bearing knocks are likely to occur from （）.活塞杆填料函的泄放管是与（）连通的,主机运行时可以从泄放管的工作状态判断填料函工作是否正常。在柴油机已装活塞运动部件的情况下测量臂距值时,为了准确测量臂距值

  • An overspeed safety device is usually fitted to a generator

    An overspeed safety device is usually fitted to a generator engine for （） in the event of overspeed.排气阀阀杆磨损超过标准要求时,可采用（）工艺修复阀杆。也可以采用喷涂或喷焊工艺修复。在用液压拉伸器

  • An increase in load on a diesel engine results in （） of sp

    An increase in load on a diesel engine results in （） of speed of the crankshaft.MANB&W型柴油机活塞杆填料函工作环的平面间隙和环端间隙超过规定值的（）时,应当换新。增压器的轴承一般以（）端的轴承先

  • An interlock in the remote operating valve line stops the va

    An interlock in the remote operating valve line stops the valve （） when the engine turning gear is engaged.吊缸发现燃烧室零件表面有水锈时,表明（）产生穿透性裂纹。涡轮壳体腐蚀后,其最小壁厚（）设计壁

  • Because the castings of smaller engines are not so big and h

    Because the castings of smaller engines are not so big and heavy, （） and cylinder block may be made in one piece.关于螺旋桨鸣音,下列不正确的说法是（）。During repair,lubrication lines and orifices m

  • As for a diesel engine, lack of combustion air may be due to

    As for a diesel engine, lack of combustion air may be due to （）.如果某海区每年发生大风浪的概率Pw=0.25,某船每年经过该海区航行的概率Pv=0.1,该船航行不可靠度为F（t）=0.20,则该船在该海域遇险的概率P（）为

  • As a heat engine,（） energy is the source of power by which

    As a heat engine,（） energy is the source of power by which the diesel engine can be operated.四冲程柴油机连杆螺栓伸长量超过原设计长度的（）时应报废换新。The bed-plate is secured in the longitudinal

  • At the top of the A-frames there is a strong cast iron frame

    At the top of the A-frames there is a strong cast iron frame called （）.气缸盖底面裂纹一般产生在底面阀孔边缘和阀孔之间,即有（）的部位。在采用金属丝锁紧螺母时,金属丝缠绕螺母的方向应（）。沿海及内河的

  • Be sure to make the engine turn by （） before starting and

    Be sure to make the engine turn by （） before starting and after stopping .船舶动力装置的管路系统,按用途不同可分为（）类,即（）。液压拉伸器的液压系统中的液压油绝对不可使用（）。Ⅰ.液压油；Ⅱ.系统润滑油

  • Bedplates are the （） of the engine, without the support of

    Bedplates are the （） of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.液压拉伸器的液压系统中的液压油绝对不可使

  • After passing through the turbine the exhaust gas is conduct

    After passing through the turbine the exhaust gas is conducted out into the（）.柴油机横向校中是指在（）方向上活塞运动部件与固定件有准确的相对位置。引起增压器振动的原因有（）。Ⅰ.轴承损坏；Ⅱ.转子弯曲变

  • All the rings are slightly rounded on their external top and

    All the rings are slightly rounded on their external top and bottom edges to keep the oil film on the cylinder liner during （） for new piston rings.可靠性定义中所述及的“规定的条件”,包括（）。Ⅰ.环境

  • An aluminum piston has lower inertia and higher coefficient

    An aluminum piston has lower inertia and higher coefficient of （） compared to that of cast iron.二冲程直流扫气式柴油机吊缸时不检查（）。Modern engines （） exhaust gas driven turbo-chargers to suppl

  • Air cocks, usually positioned at the （） in a circulating s

    Air cocks, usually positioned at the （） in a circulating system, is used to get rid of the air in the system.There is （） in any water cooling system for a diesel engine allowing for expansion and

  • After the order “（）” is given, the air system is shut down

    After the order “（）” is given, the air system is shut down, the turning gear put in.航行中船舶推进系统发生故障,为了准确地确定修理范围、修理项目、修理方案及其工作量,修理前必须进行（）。After ensuring
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