查看所有试题
- In each cylinder cover there are two or three holes for （）关于曲轴臂距差的测量值如果测量点距曲柄销中心线越远,则臂距差的测量值（）。在检查和调整主机回油阀调节式喷油泵的供油量均匀性时,对始终点调节式喷
- In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a drilled passage in the crankshaft to the bottom end bearing and then up a connection rod to the （）
- In order to ensure the safety of the ship and its equipment during UMS operation, certain essential functions （）.舵杆工作轴颈与舵叶轴承孔同轴度检验前,先将舵杆与舵叶组装在一起,并使（）。To minimize c
- In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.每海里燃油消耗量是指船舶每航行1nmile动力装置所消耗的燃油总量,它考虑了（）.Ⅰ.动
- In general, （） is suitable for delivering small quantities at high pressure.If a four-stroke/cycle diesel engine is running at 1550 RPM, the speed of the camshaft will be（）.reciprocating pump#
gea
- In four strokes engine, the cycle of events is completed in four strokes of （）.二冲程十字头式柴油机活塞运动部件横向校中的目的是使活塞与气缸套在（）方向的间隙符合要求；导板和滑块之间的（）间隙符合要
- If the sump（）were to rise this would indicate water leakage into the oil an d an investigation into the cause must be made.影响船舶动力装置可靠性的设计因素有（）。防止增压器涡轮壳体腐蚀的方法是（）
- In a （） engine the charge of air in the cylinder before compression commences is above atmospheric pressure.要求机座全部底脚螺栓中的（）以上的螺栓采用紧配螺栓,以防机座移位。喘振是（）流通部分出现气
- In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.舵系中心线与轴系中心线
- In a diesel engine, fuel must be broken up into a spray of fine droplets to （）.高效废气锅炉与现代节能柴油机的匹配不当是废气锅炉烟垢着火呈上升趋势的原因,不属于匹配问题的原因是（）。轴系中心线产生同轴
- If there is water in fuel oil, the revolution of the engine will （）.船舶每海里燃油消耗量指标考虑了（）。Ⅰ.动力装置本身的性能；Ⅱ.船舶的航行性能在进行活塞运动部件校中时,必须测量（）。换新十字头轴瓦时,
- 螺旋桨收到功率为98O0kw,螺旋桨推力功率为600OkW,发电机使用功率为600kW,主机耗油率为170g/kW•h,发电机耗油率为195g/kw•h,锅炉耗油量为1.2t/d,则动力装置耗油率为（）g/kW•h。MANB&W型柴油机活塞杆填料函工作环
- In a four-stroke engines the camshaft rotates at （）.可靠性在船舶动力装置质量指标中占有特殊的地位,因为它是（）。Ⅰ.落实其他质量指标的前提；Ⅱ.直接影响其他指标的优劣柴油机运转中,轮机员可根据气缸或活塞冷
- In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.总偏移是（）。舵杆上有（）条细小的纵向裂纹时可以钳工修磨。As for a diesel
- In a complete oil/water separator, more oil will separate out onto the underside of these plates and travel outwards until it is free to rise into the oil collecting space Whats the meaning of "it" in
- In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.船舶的机动性是指（）。
- He said that he had turned the main engine one complete revolution with the （）.（）包括舵机、锚机、绞缆机、起货机、尾门尾跳系统、吊艇及舷梯升降机等。可靠性着重研究的是（）。The lubricating oil is pu
- If the engine does start on air, but combustion does not immediately begin, the cause may not be （）.吊缸时,第二阶段的工作是（）。下列（）的情况下增压器转子应进行动平衡试验。Ⅰ.转子变形；Ⅱ.L、M间隙不
- If the engine does not start on air, it may be due to （）增压器发生故障后采用拆除转子的措施,不仅防止事故扩大,更重要的是保护了转子,但缺点是（）。传动轴系是指从（）间的轴及轴承。It is very important th
- Heat energy is a source of power, but （） will cause damage to the engine.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。目前国内外均以（S＋D）/2为测量点A制定臂距差标准,若在大于（S＋D
- If the needle valve in a fuel injection nozzle sticks open （）.间接传动的轴系除船轴及其轴承外,还有（）部件。Ⅰ.螺旋桨；Ⅱ.离合器；Ⅲ.弹性联轴器；Ⅳ.艉轴管装置；Ⅴ.减速器。油润滑艉轴承的长度应不小于（）倍
- If the engine （） for a long period, there will be a danger of frost.废气锅炉烟道温度在1100℃以上时可能发生（）。应保持锅炉管表面边界层的废气温度（）烟灰着火温度,减少烟垢着火的危险。Ⅰ.低于；Ⅱ.等于；Ⅲ.
- If the engine does start on air, but combustion does not immediately begin, the cause may be （）.船上吊缸检修一般不必进行（）。水润滑艉轴承的轴承材料有（）。Ⅰ.铁梨木；Ⅱ.橡胶；Ⅲ.铜合金；Ⅳ.层压胶木；Ⅴ.
- Generally the gudgeon pin is fully floating in both connecting rod small end and （）.（） fuel oils （） lubricating oils require treatment before passing to the engine.The sealing rings are in four
- Of a kind of liquid is used to cool the diesel engine, it is invariably called （）对使用液压撑杆螺栓的正置式主轴承,因其一端顶在轴承盖上,另一端顶在机架上,所以在上紧贯穿螺栓之前,必须先（）的撑杆螺栓。
- High-speed rotating in a centrifugal purifier can produce a force （） larger than the force of gravity.在偶然故障期内,故障是否发生,是（）。目前钢质海船建造时安装的轴系广泛采用（）。当铁梨木艉轴承的轴
- Here some oil in the oily water separator, as a result of its lower （）, will separate and rise into the oil collection space.航行中对发电柴油机曲轴的断裂可以应急焊接修理,并进行封缸以维持柴油机运转。
- If the atomizer holes are enlarged beyond the makers recommended size, the atomizer must be （）.并联连接系统按照部件的连接情况可分为备用部件和基本部件,根据使用情况有（）。Ⅰ.固定式连接热态（在负荷下）
- Head tank should be used to remove （） from cooling water.引起增压器振动的原因有（）。Ⅰ.轴承损坏；Ⅱ.转子弯曲变形；Ⅲ.转子冷却不良；Ⅳ.转子不平衡；Ⅴ.油泵安装不良。船舶轴系同轴度误差是指（）的同轴度误差
- If diesel oil in this tank is used, the （） of the oil must not exceed 120 degree F.二冲程十字头式柴油机活塞运动部件的平台检验主要是检查（）零件间的相互位置关系。Cooling the intake air supplied to a
- If the flame from combustion in the cylinder of a four-stroke engine past the piston into the space below, the accumulation of flammable mixture would be ignited, thus resulting in （）.船轴表面裂纹可
- If （） are taken at regular intervals, any unequal distribution of load will be easily found out.串联连接系统的可靠度（）组成该系统各部件可靠度的（）。采用贮备可以提高动力装置的可靠性,但是亦有可能使
- For an ordinary modem marine four-stroke engine the inlet valves close （）.在有充分氧气存在时,烟垢的可燃成分在高温下自由蒸发,被火花或火焰点燃,在废气锅炉烟道内保持小范围和有限的火源,称为（）。柴油机气
- Fuel oil is pumped by means of （） from the bunker tanks.吊缸检修柴油机连杆螺栓时一定要（）。某螺旋桨半径为2m,质量为800kg,经静平衡实验测附加重物的质量为2kg,其中系数K为1.5,请问该螺旋桨允许的不平衡质量
- Fuel injection valves should be taken out, cleaned, and lifting checked every （）.十字头式柴油机活塞与气缸间隙是指在一定条件下,活塞（）与气缸内孔（）间隙。传动轴系若带有减速装置,推力轴承应置于（）。t
- Fuel oil is thought to be one of the main factors （） the operation and maintenance of an engine.Cast iron carrier rings, （） machined grooves, are provided for all the pistons.Fuels of high quality
- Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.某些新型大型低速柴油机的气缸盖上,设有用来拆卸缸盖螺帽的液压装置（液压环）和配备了专用环形六角扳手,该扳手的
- Four strokes consist of suction, compression, （） and exhaust stroke.为了检验螺旋桨的螺距,测量时应测出（）。Ⅰ.螺旋桨的半径；Ⅱ.桨叶厚度；Ⅲ.各半径截面局部螺距；Ⅳ.各桨叶平均螺距；Ⅴ.螺旋桨总螺距。新造船
- For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the （）.起航时间的长短与（）有关。发动机换向所需的时间是指（）
- Fuel pump index is （）.桨叶上各半径截面上的截面螺距的算术平均值称为（）螺距。舵系固定件的舵承孔同轴度检验采用（）方法。A distance piece, with ground faces, may be interposed between the rod and the b
川公网安备 51012202001360号