单选题船舶航行中螺旋桨桨叶折断是()故障。A结构性B工艺性C突发性D管理性

单选题
船舶航行中螺旋桨桨叶折断是()故障。
A

结构性

B

工艺性

C

突发性

D

管理性


参考解析

解析: 暂无解析

相关考题:

单选题船舶满舵旋回过程中:()A当转向角达到约1°左右时,反移量最大B当转向角达到约1个罗经点左右时,反移量最大C当转向角达到约2个罗经点左右时,反移量最大D当转向角达到约3个罗经点左右时,反移量最大

单选题关于空压机下列说法中错误的是()。A滑油冷却温度越低越好B冷却滑油可延缓油的氧化变质C冷却滑油可帮助摩擦面散热D滑油冷却应使油温保持在70℃以下

单选题在高增压柴油机中使燃烧平稳的主要措施是()。A增大柱塞直径B减小供油提前角C增大喷油压力D降低压缩比

单选题In anchoring orders, up and down means().Athe chain is not uprightBthe chain is tightCthe chain is uprightDthe chain is slack

单选题Fuel oil discharged to the diesel engine cylinder is atomized at the ()AturbochargerBinjection nozzle tipCcarburetorDfuel oil pump

单选题()负责制订维护保养、检查和试验计划,并报大副列入"船舶年度维修计划"中。A大副B二副C三副D三管轮

单选题The piston cooling system may employ similar components, except that a drain tank is used instead of a head tank That means this system ().Adoesnt use a drain tank but a head tankBuses a drain tank not head tankCuses a drain tank and a head tankDuses neither a drain tank nor a head tank

单选题A bridge over a navigable waterway is being repaired. There is a traveller platform under the bridge’s deck that significantly reduces the vertical clearance. If required by the CG district commander,how will this be indicated at night?()AIllumination by flood lightsBA quick flashing red light at each lower cornerCA strobe light visible both up and downstreamDFixed amber lights under the extreme outer edges of the traveller

单选题螺旋桨吸入流的特点是:()A流速较快,范围较广,水流流线几乎相互平行B流速较慢,范围较广,水流流线几乎相互平行C流速较快,范围较小,水流旋转剧烈D流速较慢,范围较小,水流旋转剧烈

填空题陆桥运输在发展过程中,从地域上形成了北美陆桥运输和()两大板块。

单选题船机修理前的拆卸和检验是进行修理的重要准备工作,关系到修理的()。 1时间, 2效果, 3质量, 4效率, 5费用。A1+2+3B1+3+5C2+3+4D2+3+5

单选题A tow astern is veering from side to side on its towline. The best way of controlling the action is to().Atrim the tow by the bowBtrim the tow by the sternClist the tow to windwardDadjust the length of the towing bridle

单选题MAN BW公司推出的单压蒸汽标准废气锅炉系统,该系统的特点是废气锅炉和燃油锅炉之间共用一个汽鼓,显示的优点是()。A结构简单,对船舶余热利用最完善B投资成本低,对排气余热利用最充分C结构明显的简单而且投资成本低,又能满足船舶的用汽量D结构简单,可由燃油辅助锅炉补充供汽

单选题在A.RQ通信过程中,若副台收到K-RQ-QRQ-VZR-S-E三个字组,则其代表的7呼叫识别码为()AKQREVZSBKQVZRSECRSERQQVDKRQVZRS

单选题The viscosity of an oil is a measure of its ().AweightBinternal frictionCdemulsibility

单选题When a vessel navigates in an area with a small underkeel clearance but with adequate space to take avoiding action she().Ashould not be regarded as a vessel constrained by her draughtBshould be regarded as a vessel constrained by her draughtCshall be regarded as a vessel restricted in her ability to maneuverDshould be regarded as a non-displacement vessel

单选题Before reassembling any machinery, you should ().Areplace all bearings regardless of length of serviceBapply a heavy coat of oil to all mating surfacesCclean any corroded surfaces and file all burrs smoothDcoat all parts with alemite grease

单选题GMDSS要求海上航行的船舶,无论航行在哪个海区必须具备()个功能A6B8C9D10

单选题检验曲轴臂距差的测量精度的方法是用测得的上下止点臂距值之和与左右臂距值之和的差值在()mm之内,定为测量基本准确。A±0.04B±0.03C±0.02D±0.01

单选题大多数锋面气旋的生成是()。 ①先有锋,然后在锋面上产生气旋; ②先有气旋,然后在气旋中形成锋; ③原锢囚气旋已减弱,有副冷锋侵入形成新的锋面气旋。A①对B②对C②.③对D①.②.③都对

单选题在航次租船合同中,若船舶已发生滞期,以下哪种规定对船舶出租人有利()。A按与装卸时间相同的“日”B一旦滞期永远滞期C按节省的全部时间D按节省的全部工作时间

问答题正确选用空压机曲轴箱用的原则是什么?

单选题Fuel oil discharged to the diesel engine cylinder is atomized at the ()AturbochargerBinjection nozzle tipCcarburetorDfuel oil pump

判断题水翼船在翼航状态下,回转要平稳,舵角不大于30°.A对B错

单选题《BC规则》是指()。A木材船安全操作规则B散装谷物安全运输规则C固体散货安全操作规则D散装危险货物运输规则

单选题两方位定位时,为了提高定位精度,应缩短两次观测的时间间隔,两物标的观测顺序应为()。A先测方位变化快的物标,后测方位变化慢的物标B先测方位变化慢的物标,后测方位变化快的物标C先测离船近的物标,后测离船远的物标D先测离船远的物标,后测离船近的物标

单选题用模拟万用表欧姆挡测一晶体管,用黑表笔接一个极,用红表笔分别测另两个极,测得的电阻都很小,则黑表笔接的是()。ANPN的发射极BPNP的发射极CPNP的基极DNPN的基极

单选题使活塞式制冷压缩机实际排气量下降的最常见原因是()。A气缸冷却不良B余隙容积增大C气阀和活塞环漏气量增加D吸入滤网脏污