出自:海船船员证

It may be found that,in certain circumstances,radar beacon emissions can cause()with the normal radar display,particularly at close range.
A:unwanted interference
B:unexpected figures
C:abnormal data
D:unwanted information
增压系统中的空气冷却器的作用是()
A:降低空气温度,改善燃油雾化
B:降低空气温度,提高空气密度
C:降低空气温度,提高增压压力
NAKAKITA型燃油黏度控制系统中的测粘计在()情况下自动启动。
A:黏度调节器气源被接通
B:燃油温度达到中间温度
C:燃油温度达到上限温度
D:轻/重油切换开关切换到重油位置
可以限制谷物移动并使谷物在甲板间舱内的横移力矩减少()。
A:围阱 
B:添注漏斗 
C:舱口盖固定装置 
D:采用共同装载方案
研究可靠性可以使人们很好地掌握机械设备的故障机理和故障规律,()地提高其可靠性和经济性。
A:综合
B:有效
C:全寿命
D:全面
A vessel entering the eye of a hurricane should expect().
A:moderating winds and heavy confused seas to strike his vessel from all directions
B:the winds to increase to hurricane force and strike from a different direction as the eye passes
C:the barometer to reach the lowest point
D:All of the above
白棕绳破断强度计算公式为()(d为直径,mm)。
A:80d2
B:60d2
C:120d2
D:100d2
目前船用蒸馏式海水淡化装置的蒸发温度为()。
A:30~35℃
B:35~45℃
C:45~60℃
D:B或C
Governors are equipped with motors for synchronizing, load sharing and frequency control()
A:speed setting
B:load setting
C:speed changing
D:load changing
在普通自动舵中为克服船舶的回转惯性而设置的人为调节是:()
A:比例调节
B:灵敏度调节
C:反舵角调节
D:压舵调节
曲轴轴线状态图可以用来()。
A:了解曲轴轴线状态
B:判断主轴承高低
C:判断主轴颈位置高低
D:了解主轴颈磨损情况
开始装货前,船方应从以下哪些方面与船舶代理人进行沟通?()  ①船长应将船上现金及其他贵重物品交由代理保管; ②应要求船舶代理人及时提供装货清单以便大副编制配载计划; ③谨慎处理使船舶适货的工作可以委托船舶代理人洽办; ④在偷盗情况较为严重的港口,可要求船舶代理人安排专人看船、看舱。
A:①②③
B:①②④
C:②③④
D:①③④
If a single cylinder relief valve on a diesel engine lists frequently while the engine is running, the cause may be an ()
A:excessively late injection timing for each cylinder
B:incorrectly adjusted intake valve timing
C:incorrectly adjusted fuel injector
D:incorrectly adjusted intake valve clearance
微动磨损常发生在()等配合件的结合面上。 1主轴颈与主轴承, 2键与键槽, 3中间轴法兰, 4齿轮与轴, 5活塞环与环槽。
A:2+4
B:1+2+4
C:2+3+5
D:1+4+5
下列方法中,()向破损部位相反一侧调驳油、水。
A:对称注入法
B:减载法
C:填充法
D:移驳法
船舶遇险时,EPIRB在水下1~2m,静水压力释放器动作,自动释放自浮式支架上的示位标。
A pilot vessel on pilotage duty at night will show sidelights and a sternlight ().
A:when at anchor
B:only when making way
C:at any time when underway
D:only when the identifying lights are not being shown
二冲程柴油机的扫气和强制换气阶段,必然发生下述现象()。
A:废气倒冲
B:新气和废气掺混
C:过后排气
D:新气和废气分层
在船舶机械的油液监测技术中,主要包括()
A:理化性能性能检测
B:污染物结构分析
C:污染物成份、数量分析
D:A+B
After finished the engine, which of valves cannot be shut off by the duty engineer?()
A:fuel valve
B:the starting air valve
C:the sea chest
D:the main sea pump inlet valve
White smoke exhausting from a diesel engine can result from ()
A:high exhaust temperature
B:high lube oil temperature
C:low turbo-charger speed
D:low cooling water temperature
The edge of a hurricane has overtaken your vessel in the Gulf of Mexico,and the northwest wind of a few hours ago has shifted to the west. This is an indication that you are located in the().
A:navigable semicircle
B:dangerous semicircle
C:low pressure area
D:eye of the storm
在检修四冲程柴油机连杆大端轴承时,一般可采取()方法对连杆大端螺栓进行检查。 Ⅰ.用螺纹规核查螺距 Ⅱ.借助放大镜查看有否缺陷 Ⅲ.进行渗透探伤 Ⅳ.进行拉伸试验 Ⅴ.用听响法进行探伤 Ⅵ.进行最大扭矩试验
A:Ⅰ+Ⅱ+Ⅲ+Ⅳ
B:Ⅰ+Ⅱ+Ⅲ+Ⅴ
C:Ⅱ+Ⅳ+Ⅴ+Ⅵ
D:Ⅲ+Ⅳ+Ⅴ+Ⅵ
()loading,5 drums were found leaking.
A:In
B:from
C:At
D:During
甲板机械执行机构动作不平稳一般不回是因为:()。
A:气穴现象
B:油马达爬行现象
C:负载过重
D:油马达内部局部损坏
不论是一起或分别使用或显示,均表示遇险需要救助的信号有()。 ①每隔约1分钟鸣炮或燃放其他爆炸信号一次; ②以任何雾号器具连续发声; ③以短的间隔,每次放一个抛射红星的火箭或信号弹; ④以任何方法发出的《莫尔斯信号规则》的———━━━———(SOS)信号组; ⑤无线电话发出“梅代”(MAYDAY)语言的信号; ⑥《国际简语信号规则》中表示遇险的信号N.C.; ⑦由一面方旗放在一个球体或任何类似球形物体的上方或下方所组成的信号; ⑧火箭降落伞式或手持式的红色突耀火光; ⑨放出橙色烟雾的烟雾信号; ⑩两臂侧伸,缓慢而重复地上下摆动;
A:③~⑩
B:②~⑧
C:①~⑥
D:①~⑩
下列不属于无杆锚的是()
A:霍尔锚;
B:波尔锚;
C:斯贝克锚;
D:丹福斯锚。
A cargo boom is a().
A:double sized mattress consists of more than 890 coils
B:spar extending from a mast or a king post
C:flap(Becker rudder)can be fitted to the rudder’s trailing edge
D:bridle arrangement having a long beam of the length of the container
根据货物对船舶性能和设备的不同要求,多用途船主要包括()。
A:以载运集装箱为主的多用途船
B:以载运重大件为主的多用途船
C:兼运集装箱和重大件的多用途船
D:兼运集装箱、重大件和滚装货的泛多用途船
The most important reason for taking anti-seasickness pills as soon as possible after entering a liferaft is to().
A:assist in sleeping
B:reduce appetite by decreasing nausea
C:prevent loss of body moisture by vomiting
D:prevent impaired judgement due to motion-induced deliriousness