Hi-Dolphin/MaritimeBench · Datasets at Hugging Face

question stringlengths 11 356	answer stringclasses 4 values	A stringlengths 1 124	B stringlengths 1 109	C stringlengths 1 167	D stringlengths 1 129 ⌀
无论是在船舶航行期间还是停泊期间，由______担负轮机部的值班巡逻任务。	C	值班驾驶员和值班轮机员	值班驾驶员和值班水手	值班轮机员和值班机工	null
The premise of the Hague-Visby Rules is that, to protective interests of the______?	C	Carrier	either shipper or carrier	both shipper and carrier	Shipper
不能从“应急卡”查到的是______。	C	个人应急职责	警报信号	逃生路线	null
When a system is not operating properly, first determine the ______ , and then consult the troubleshooting for the possible causes and the recommended actions to determine the actual reason for the problem.	C	principles	power supplies	symptoms	instructions
According to STCW Convention and Code, which of the following is not a requirement that every officer in charge of a navigational watch on seagoing ship of 500 gross tonnage or more must meet?	C	Having completed approved education and training and meet the standard of competence	Meeting the applicable requirements of the regulations for performing designated radio duties	Being not less than 16 years of age	Having performed bridge watchkeeping duties for a period not less than six months during the required seagoing service
单臂回转式降放装置能迅速降放快速救助艇，但下降速度不得超过______。	B	0.8m/s	1m/s	1.2m/s	null
美国《1990年油污法》（OilPollution Act 1990，简称OPA 90）中规定有重大过失或故意不当行为，______不适用责任限制。	A	从外部大陆架设施运载货油时，违反适用的联邦安全、构造或操作规则和命令	从国外大陆架设施运载货油时，违反适用的联邦安全、构造或操作规则和命令	从国外大陆架设施运载货油时，违反适用的地方安全、构造或操作规则和命令	null
The high heat input is absorbed by the steel cylinder cover, which has a higher ______ than the grey cast iron used for cylinder liners.	C	thermal stress	mechanical stress	thermal stability	mechanical stability
烧伤休克的主要原因是______。	C	大量细胞成分丢失	水分自创面蒸发	大量液体渗出	null
船舶发生海难事故，主要表现为______。①船体颠簸②货物损失和灭失③船舶损失和灭失④人员伤亡	A	②③④	①②③④	①②③	null
There is a service which allows terrestrial information providers to send general information messages to pre-defined groups of subscribers. The service is______	D	SafetyNET	COSPAS-SARSAT	InfoNET	FleetNET
According to test results, the ship resistance sailing in shallow water ______ .	C	is directly proportional to the cube of ship speed	is directly proportional to the ship speed	is irregular within all of ship speed	is directly proportional to the square of ship speed
Which of the following doesn't comply with the rules of safety use of electricity?	C	Put on the protective clothes before work.	Wearing safety boots.	Wearing a metal watch at work.	Wearing a hard hat.
快速救助艇气胀式扶正装置采用______。	B	船舶倾覆后自动起动	手动触发起动	遥控起动	null
Each Member which ratifies this Convention undertakes to give complete effect to its provisions in the manner set out in Article VI in order to secure the right of all seafarers to decent employment, this Convention is ______.	A	Maritime Labor Convention	SOLAS Convention	MARPOL 73/78	ISPS Code
Depiction of TSS's on charts uses ______ as the primary color.	A	magenta	deep red	bright red	red
______ between auxiliary engine and generator to be realigned.	B	Pipe line	The centre line	The coupling	The bolts and nuts
One function provided by a hydraulic accumulator is to ______.	D	provide an area where air can separate from the oil	provide an area to separate solid contaminants from the oil	act as an oil and water separator	absorb shocks occurring in the system
Ships fitted with GMDSS installations are unable to receive weather information by means of______	D	NAVTEX	NBDP terminals	EGC receivers	DSC terminals
当风速为30m/s时，根据经验，单锚泊出链长度S与水深h的关系为S=______。	D	3h+125m	3h+145m	4h+125m	4h+145m
The abbreviation Inmarsat stands for ______.	A	International Maritime Satellite Organization	International Maritime Safety Organization	International Marketing Safety Organization	International Marketing Satellite Organization
援救海上漂浮的落水人员，救生艇应从______接近。	B	上风	下风	横风	null
根据ISPS规则，______是缔约国政府的责任。①测试船舶保安计划②确定指定当局③指定公司保安员、船舶保安员	A	①②	②③	①②③	null
What is the minimum operator license required to perform or supervise the performance of (SBM) Shore-Based Maintenance in sea area A3?	D	Second Class Radio. Electronic Certificate.	Restricted Operator's certificate.	First Class Radio Elecitronic. Certificate.	GMDSS General Operator's Certificate
In respect of the______,any discharge into the sea of oil or oily mixtures from any ship shall be prohibited.	C	Mediterranean area	Baltic Sea area	Antarctic area	Gulf of Mexico
The controlled object of the fuel oil viscosity control system is ______.	D	the main engine	the fuel oil viscosity	the fuel temperature	the fuel heater
Administrations should ensure ______to prevent alcohol and drugs from impairing the ability of watchkeeping personnel.	C	that a limit of blood alcohol level is established	the implementation of a clearly written law	that adequate measures are taken	that legal procedures are followed
救生筏系固解脱的方法至少有两种，分别是______。	A	在船舶下沉时能够自由漂浮解脱和人工解脱	在船舶下沉时能够自由漂浮解脱和自动解脱	能够进行人工解脱，也能够进行遥控解脱	null
伴流对舵力和舵效的影响是______。	B	提高舵压力，降低舵效	降低舵压力，降低舵效	降低舵压力，提高舵效	提高舵压力，提高舵效
翘起舷外机后，若发现螺旋桨附近出现大量油迹，则表明艇机底部的______可能损坏。	C	螺旋桨	发动机	齿轮箱油封	null
自由降落下水的救生艇存放在______。	C	船舷支架上	船首支架上	船尾支架上	null
快速救助艇发动机不能起动的原因不可能是______。	A	没有冷却水	燃油管路连接不当或损坏	燃油箱透气孔关闭	null
若采用了姊妹船或船队的保安计划，______确保每条船的计划均准确反映该船具体信息。	A	公司保安员	船舶保安员	港口设施保安员	null
引航员登离船装置若使用舷梯，则舷梯的低位平台应保持______，其上架设的引航员梯最少应保持______的垂直长度。	B	水平；1m	水平；2m	垂直；1m	垂直；2m
SART's audible tone monitor is used to______	A	inform survivors that assistance may be nearby	inform survivors when the battery's charge condition has weakened	inform survivors when the SART switches off	inform survivors that a nearly vessel is signaling on DSC
既可以治疗冻伤又可以治疗蚊虫叮咬的药物是______。	C	双氧水	生理盐水	绿药膏	null
What is the international direct-printing service for the promulgation of maritime safety information (MSI) in the English language pertaining to coastal waters up to about 400 nautical miles offshore?	D	NAVAREA broadcasts.	National Meteorological Center weather broadcast.	HF facsimile.	NAVTEX.
拖带作业有时会造成救助艇倾覆，采取______方法可以减小倾覆的危险。	C	保持拖缆沿艇首尾方向呈45度角	保持拖缆沿艇首尾方向呈90度角	保持拖缆沿艇首尾方向成一条直线	null
二氧化碳灭火系统释放前报警应自动起动（例如，通过打开释放箱的门）。警报鸣响时间的长短应根据撤离该处所需要时间的长短而定，但无论如何应在灭火剂释放前不得少于______秒。	A	20	60	120	null
Two-stroke engines invariably have ports to admit air when uncovered by the ______ piston.	B	ascending	descending	upwarding	reciprocating
______ assists to emulsify oil and water into an even emulsion mixture for a fine atomizing of an incinerator.	B	An intermittent agitation	A continuous agitation	A continuous vibration	An intermittent vibration
In NAVTEX service, the subject indicator character"B"regarding type of information means______.	A	meterological warnings	navigational warnings	search and rescue information	meteorological forecast
______ can determine the possibility of the bulk grain cargoes of lesser or greater shifting hazard.	C	Angle of loll	Angle of list	Angle of repose	Angle of movement
When the fuel is pumped into an operating centrifuge the centrifugal force generated causes the ______to be forced along the underside of the discs to the outer periphery.	B	sludge	heavier fractions	water	cleaned oil
对怀疑为患上低体温症的遇险人员，救起行动必须______，尽量使遇险人员保持______，以减少遇险人员血压快速下降的危险。	C	缓慢柔和；垂直体位	快速；垂直体位	缓慢柔和；水平体位	null
The power factor at which a paralleled AC generator operates is usually adjusted by the ______ .	C	automatic power regulator	prime mover speed	field excitation	generator's rated voltage
锚抛妥后，收尾工作的正确操作顺序是______。①刹紧刹车带②上妥制链器，盖上防浪板③合上离合器，松开刹车带，适当调整锚链位置④脱开离合器⑤切断锚机电源，通知机舱断电	A	③→②→①→④→⑤	③→①→②→④→⑤	①→②→④→⑤	①→②→③→④→⑤
When the ship's main power supply and emergency power supply are shut off, the special backup power supply of VDR can ensure that the system record data for ______.	B	1 hour	2 hours	4 hours	12 hours
The carriage of dangerous goods in solid form in bulk shall be in compliance with the relevant provisions of the ______.	D	IBC Code	IMDG Code	ISM Code	IMSBC Code
快速救助艇配备的双向甚高频无线电话设备电源能够工作几小时？	B	5小时	8小时	3小时	null
进行船舶保安评估的目的是确定并分析给定船舶在航运区域内存在的______。	B	保安威胁	保安风险	保安事件	null
When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its ______.	C	suction stroke	compression stroke	power stroke	exhaust stroke
搜救雷达应答器被触发后会在搜寻的雷达荧光屏上显示______径向亮点。	A	12个	10个	8个	null
人体在冷水中要保持体温不应该______。	C	多穿衣服	保持HELP姿势	饮用酒精饮料	null
舷外机液压微调装置可以______，以适应水面环境改变。	C	改善艇速	驾驶状况	改善艇速和驾驶状况	null
在IMO采纳的分道通航制水域内，互见中，帆船甲驶错分道与正确沿相应分道总流向行驶的机动船乙相遇，此时两船航向相反，有碰撞危险，根据《规则》下列说法正确的是______。	A	甲船不应妨碍乙船	乙船不应妨碍甲船	两船负有同等的避让责任	两船相互之间互不妨碍
If there are "clear grounds" to believe that the condition of a ship, its equipment or its crew does not substantially meet the requirements of a relevant convention, a(n)______inspection will be carried out.	B	initial inspection	detailed inspection	expanded inspection	suspended inspection
In the manual accurate synchronizing, we will not use the ______.	D	synchrometer	synchronizing lights	governor handle switch	synchronizing reactor
关于外径千分尺的使用或管理，做法不当的是______。	C	千分尺两测量面将与工件接触时，要使用测力装置，不要转动微分筒	千分尺测量轴的中心线要与工件被测长度方向相一致，不要歪斜	使用外径千分尺时，一般用手摇转尺架，以减少测量误差	null
船舶在港内浅水区掉头时，下述哪一项正确？	A	进距减小，对横向水域要求增大	进距增大，对横向水域要求减小	进距减小，对横向水域要求减小	进距增大，对横向水域要求增大
快速救助艇往复式内燃机的工作腔称作______。	C	活塞	连杆	气缸	null
All oil tankers of 5,000 tonnes DWT or more shall have prompt access to computerized shore-based ______ and residual structural strength calculation programs.	D	positive stability	negative stability	intact stability	damage stability
______负责加强全体公司和船上人员的保安意识与警惕性。	B	船长	公司保安员	船舶保安员	null
当船舶发生保安事件或保安状况受到威胁或破坏时，暂停除维持船舶安全和保安措施所必需的操作以外的______，以集中人员和精力应对保安威胁或破坏。	B	关键性操作	非关键性操作	任何其他操作	null
对于A字形吊艇架而言，在正常情况下应利用______降放快速救助艇。	B	承载方式	船舶动力源	蓄能器	null
The rate of heat transfer in a water-tube auxiliary boiler can be increased by ______.	B	operating the boiler at less than normal water level	installing fins on the firesides of water-tubes	increasing the amount of excess air to the burners	treating the boiler water with chemical oxygen scavengers
In a crash test,the track length of a ship is very important as it helps the captain to estimate the time and distance required to bring the ship to a complete stop______.	C	with negligible wind	in calm sea	in case of emergencies	with obvious current effect
The beacon located on board aircraft is termed as______	C	EPIRB	PLB	ELT	MCC
船舶保安员是指______。	A	由公司指定的在船上负责船舶保安并对船长负责的人	由公司指定负责确保船舶保安评估得以开展，船舶保安计划得以制订、提交批准，而后得以实施和维持的人	由公司指定的在船上负责船舶保安并对公司负责的人	null
快速救助艇的发动机根据所使用燃料不同，可分为______种。	C	4	3	2	null
______has been prepared to assist navigators by providing supplemental information concerning the use and limitations of UKHO charts and publications.	D	The Ocean Passages for the World	The Nautical Almanac	The Admiralty Distance Tables	The Mariner's Handbook
救生艇吊艇索在存放状态应是______。	A	救生艇和艇架重量全部不在吊艇索上	救生艇和艇架重量全部集中在吊艇索上	救生艇和艇架重量部分集中在吊艇索上	null
A new type of fuel vale-essentially eliminating the sac volume-was subsequently developed and introduced by MAN B & W Diesel as standard to its larger low speed engines.The main advantages of this slide-type fuel valve are reducen emissions of ______ as well as significantly fewer deposits inside the engine.①NOx; ②CO; ③SOx; ④smoke; ⑤unburned hydrocarbons	A	①②④⑤	①②③④	②③⑤	①②③④⑤
The static excitation system uses ______ and ______ to provide series and shunt components for the alternator field.	A	transformers; rectifiers	commutators; rectifiers	transformers; synchroscope	commutators; synchroscope
According to the STCW Convention,Administrations shall require that watch schedules be posted where______.	C	they don't induce fatigue	they are established in a standardizedform	they are easily accessible	they override other conditions
快速救助艇额定乘员使用的保温用具应配备几件？	C	快速救助艇额定乘员的10%	2件	至少2件	null
For a purifier changing to a gravity disc with smaller hole diameter will move the interface towards the______.	B	bowl periphery	bowl center	upper surface	lower surface
海船上配备救生艇吊艇架的种类主要有两种：______。	A	一种是重力式吊艇架，另一种是自由降落艇的降放装置	一种是自由降落艇的降放装置，另一种是直杆式吊艇架	一种是叉型支撑式吊艇架，另一种是直杆式吊艇架	null
An operating characteristic appearing on the name plates of shipboard AC motors is ______.	C	the type of winding	input kilowatts	temperature rise	locked rotor torque
二冲程柴油机与四冲程柴油机相比，优点是______。①换气质量高②功率较大③结构简单④燃油经济性较好	D	①②③④	①②③	①②	②③
______不属于SOLAS公约内容。	A	进入封闭空间的要求	结构、分舱与稳性	船舶安全营运管理	null
In a alternating current electrical system, a low system power factor is a direct sign of ______.	A	wasted energy	efficient operation	a short in the exciter field windings	an excessive number of minor system grounds
保温用具在气温______范围内应能正常使用。	C	-20~+10℃	-20~+30℃	-30~+20℃	null
货船应急消防泵如采用柴油机的起动，燃油供应柜所装盛的燃油应能使泵在全负荷下至少运行______，同时在A类机器处所外应储备足够数量的燃油，能使该泵在全负荷下再运行______。	A	3小时；15小时	3小时；18小时	3小时；24小时	null
If the magnetic heading is greater than the compass heading, the deviation is______.	A	east	west	north	south
在操纵救生艇靠泊时的基本要点是______。	B	要顺流靠，控制好艇速、艇位，保持好靠拢角	要顶流靠，控制好艇速、艇位，保持好靠拢角	要顶流靠，快速接近泊位，保持好靠拢角	null
影响货油流速的两个因素是______。	A	黏度和压力	温度和压力	温度和黏度	null
在海上搜救中，下列______是影响目标漂移的主要环境因素。	A	风压、风生流、海流	风压、风生流、湖流	风压、风生流、潮流	null
Fuel oil having a low cetane rating could result in ______.	B	improved cold weather starting	excessive fuel oil consumption	reduced ignition lag	smoother engine operation
农历初一（新月）或十五（满月），出现高潮最高、低潮最低的现象。这种潮汐称为______。	B	高潮	大潮	小潮	null
机舱火灾被扑灭后，最理想的通风方法是______。	A	机械通风	垂直通风	复合通风	null
The function of the hydraulic telemotor transmitter used in an electro hydraulic steering gear system is to ______.	D	transmit the rudder angle to the bridge indicator	prevent the control linkage from striking the stops when hard over	automatically purge all entrained air from the system	send hydraulic signals to the receiving unit
国际浮标系统“A区域”和“B区域”，它们的区别就在于______。	C	方位标志的颜色不同	专用标志的颜色不同	侧面标志的颜色不同	null
______ can be a direct cause of faulty operation of diesel engine fuel injection nozzles.	B	Excessive fuel nozzle holder cooling	Sediment in the fuel supply	Distortion of the fuel spray pattern	Improper atomization of the fuel
Prior to loading bulk cargo on bulk carriers of 150 m in length and upwards, the shipper shall declare the______ of the cargo, in addition to providing the cargo information required by regulation.	D	volume	mass	type	density
The winding insulation has ______ and is close to zero, please rewind the motor.	C	ago	ageable	aged	old
The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means ______.	B	displacement	fumigation	discharging	compensation
The major cause of fuel pump and injection system problems is______.	B	improper adjustments	contaminated fuel	kinked fuel lines	excessive engine vibration
Which of the following substances is not included in recent and upcoming MARPOL new requirements?	D	NO<sub>x</sub>.	E-waste.	SO<sub>x</sub> emissions.	Plastics.
The complete electrical plant on board ship is made up of ______, a distribution system and many power utilizing devices.	B	electromagents	power generation equipment	switchboards	storage batteries

无论是在船舶航行期间还是停泊期间，由______担负轮机部的值班巡逻任务。

C

值班驾驶员和值班轮机员

值班驾驶员和值班水手

值班轮机员和值班机工

null

The premise of the Hague-Visby Rules is that, to protective interests of the______?

C

Carrier

either shipper or carrier

both shipper and carrier

Shipper

不能从“应急卡”查到的是______。

C

个人应急职责

警报信号

逃生路线

null

When a system is not operating properly, first determine the ______ , and then consult the troubleshooting for the possible causes and the recommended actions to determine the actual reason for the problem.

C

principles

power supplies

symptoms

instructions

According to STCW Convention and Code, which of the following is not a requirement that every officer in charge of a navigational watch on seagoing ship of 500 gross tonnage or more must meet?

C

Having completed approved education and training and meet the standard of competence

Meeting the applicable requirements of the regulations for performing designated radio duties

Being not less than 16 years of age

Having performed bridge watchkeeping duties for a period not less than six months during the required seagoing service

单臂回转式降放装置能迅速降放快速救助艇，但下降速度不得超过______。

B

0.8m/s

1m/s

1.2m/s

null

美国《1990年油污法》（OilPollution Act 1990，简称OPA 90）中规定有重大过失或故意不当行为，______不适用责任限制。

A

从外部大陆架设施运载货油时，违反适用的联邦安全、构造或操作规则和命令

从国外大陆架设施运载货油时，违反适用的联邦安全、构造或操作规则和命令

从国外大陆架设施运载货油时，违反适用的地方安全、构造或操作规则和命令

null

The high heat input is absorbed by the steel cylinder cover, which has a higher ______ than the grey cast iron used for cylinder liners.

C

thermal stress

mechanical stress

thermal stability

mechanical stability

烧伤休克的主要原因是______。

C

大量细胞成分丢失

水分自创面蒸发

大量液体渗出

null

船舶发生海难事故，主要表现为______。①船体颠簸②货物损失和灭失③船舶损失和灭失④人员伤亡

A

②③④

①②③④

①②③

null

There is a service which allows terrestrial information providers to send general information messages to pre-defined groups of subscribers. The service is______

D

SafetyNET

COSPAS-SARSAT

InfoNET

FleetNET

According to test results, the ship resistance sailing in shallow water ______ .

C

is directly proportional to the cube of ship speed

is directly proportional to the ship speed

is irregular within all of ship speed

is directly proportional to the square of ship speed

Which of the following doesn't comply with the rules of safety use of electricity?

C

Put on the protective clothes before work.

Wearing safety boots.

Wearing a metal watch at work.

Wearing a hard hat.

快速救助艇气胀式扶正装置采用______。

B

船舶倾覆后自动起动

手动触发起动

遥控起动

null

Each Member which ratifies this Convention undertakes to give complete effect to its provisions in the manner set out in Article VI in order to secure the right of all seafarers to decent employment, this Convention is ______.

A

Maritime Labor Convention

SOLAS Convention

MARPOL 73/78

ISPS Code

Depiction of TSS's on charts uses ______ as the primary color.

A

magenta

deep red

bright red

red

______ between auxiliary engine and generator to be realigned.

B

Pipe line

The centre line

The coupling

The bolts and nuts

One function provided by a hydraulic accumulator is to ______.

D

provide an area where air can separate from the oil

provide an area to separate solid contaminants from the oil

act as an oil and water separator

absorb shocks occurring in the system

Ships fitted with GMDSS installations are unable to receive weather information by means of______

D

NAVTEX

NBDP terminals

EGC receivers

DSC terminals

当风速为30m/s时，根据经验，单锚泊出链长度S与水深h的关系为S=______。

D

3h+125m

3h+145m

4h+125m

4h+145m

The abbreviation Inmarsat stands for ______.

A

International Maritime Satellite Organization

International Maritime Safety Organization

International Marketing Safety Organization

International Marketing Satellite Organization

援救海上漂浮的落水人员，救生艇应从______接近。

B

上风

下风

横风

null

根据ISPS规则，______是缔约国政府的责任。①测试船舶保安计划②确定指定当局③指定公司保安员、船舶保安员

A

①②

②③

①②③

null

What is the minimum operator license required to perform or supervise the performance of (SBM) Shore-Based Maintenance in sea area A3?

D

Second Class Radio. Electronic Certificate.

Restricted Operator's certificate.

First Class Radio Elecitronic. Certificate.

GMDSS General Operator's Certificate

In respect of the______,any discharge into the sea of oil or oily mixtures from any ship shall be prohibited.

C

Mediterranean area

Baltic Sea area

Antarctic area

Gulf of Mexico

The controlled object of the fuel oil viscosity control system is ______.

D

the main engine

the fuel oil viscosity

the fuel temperature

the fuel heater

Administrations should ensure ______to prevent alcohol and drugs from impairing the ability of watchkeeping personnel.

C

that a limit of blood alcohol level is established

the implementation of a clearly written law

that adequate measures are taken

that legal procedures are followed

救生筏系固解脱的方法至少有两种，分别是______。

A

在船舶下沉时能够自由漂浮解脱和人工解脱

在船舶下沉时能够自由漂浮解脱和自动解脱

能够进行人工解脱，也能够进行遥控解脱

null

伴流对舵力和舵效的影响是______。

B

提高舵压力，降低舵效

降低舵压力，降低舵效

降低舵压力，提高舵效

提高舵压力，提高舵效

翘起舷外机后，若发现螺旋桨附近出现大量油迹，则表明艇机底部的______可能损坏。

C

螺旋桨

发动机

齿轮箱油封

null

自由降落下水的救生艇存放在______。

C

船舷支架上

船首支架上

船尾支架上

null

快速救助艇发动机不能起动的原因不可能是______。

A

没有冷却水

燃油管路连接不当或损坏

燃油箱透气孔关闭

null

若采用了姊妹船或船队的保安计划，______确保每条船的计划均准确反映该船具体信息。

A

公司保安员

船舶保安员

港口设施保安员

null

引航员登离船装置若使用舷梯，则舷梯的低位平台应保持______，其上架设的引航员梯最少应保持______的垂直长度。

B

水平；1m

水平；2m

垂直；1m

垂直；2m

SART's audible tone monitor is used to______

A

inform survivors that assistance may be nearby

inform survivors when the battery's charge condition has weakened

inform survivors when the SART switches off

inform survivors that a nearly vessel is signaling on DSC

既可以治疗冻伤又可以治疗蚊虫叮咬的药物是______。

C

双氧水

生理盐水

绿药膏

null

What is the international direct-printing service for the promulgation of maritime safety information (MSI) in the English language pertaining to coastal waters up to about 400 nautical miles offshore?

D

NAVAREA broadcasts.

National Meteorological Center weather broadcast.

HF facsimile.

NAVTEX.

拖带作业有时会造成救助艇倾覆，采取______方法可以减小倾覆的危险。

C

保持拖缆沿艇首尾方向呈45度角

保持拖缆沿艇首尾方向呈90度角

保持拖缆沿艇首尾方向成一条直线

null

二氧化碳灭火系统释放前报警应自动起动（例如，通过打开释放箱的门）。警报鸣响时间的长短应根据撤离该处所需要时间的长短而定，但无论如何应在灭火剂释放前不得少于______秒。

A

20

60

120

null

Two-stroke engines invariably have ports to admit air when uncovered by the ______ piston.

B

ascending

descending

upwarding

reciprocating

______ assists to emulsify oil and water into an even emulsion mixture for a fine atomizing of an incinerator.

B

An intermittent agitation

A continuous agitation

A continuous vibration

An intermittent vibration

In NAVTEX service, the subject indicator character"B"regarding type of information means______.

A

meterological warnings

navigational warnings

search and rescue information

meteorological forecast

______ can determine the possibility of the bulk grain cargoes of lesser or greater shifting hazard.

C

Angle of loll

Angle of list

Angle of repose

Angle of movement

When the fuel is pumped into an operating centrifuge the centrifugal force generated causes the ______to be forced along the underside of the discs to the outer periphery.

B

sludge

heavier fractions

water

cleaned oil

对怀疑为患上低体温症的遇险人员，救起行动必须______，尽量使遇险人员保持______，以减少遇险人员血压快速下降的危险。

C

缓慢柔和；垂直体位

快速；垂直体位

缓慢柔和；水平体位

null

The power factor at which a paralleled AC generator operates is usually adjusted by the ______ .

C

automatic power regulator

prime mover speed

field excitation

generator's rated voltage

锚抛妥后，收尾工作的正确操作顺序是______。①刹紧刹车带②上妥制链器，盖上防浪板③合上离合器，松开刹车带，适当调整锚链位置④脱开离合器⑤切断锚机电源，通知机舱断电

A

③→②→①→④→⑤

③→①→②→④→⑤

①→②→④→⑤

①→②→③→④→⑤

When the ship's main power supply and emergency power supply are shut off, the special backup power supply of VDR can ensure that the system record data for ______.

B

1 hour

2 hours

4 hours

12 hours

The carriage of dangerous goods in solid form in bulk shall be in compliance with the relevant provisions of the ______.

D

IBC Code

IMDG Code

ISM Code

IMSBC Code

快速救助艇配备的双向甚高频无线电话设备电源能够工作几小时？

B

5小时

8小时

3小时

null

进行船舶保安评估的目的是确定并分析给定船舶在航运区域内存在的______。

B

保安威胁

保安风险

保安事件

null

When starting an engine, the compressed air enters the cylinder when the corresponding piston is in position of its ______.

C

suction stroke

compression stroke

power stroke

exhaust stroke

搜救雷达应答器被触发后会在搜寻的雷达荧光屏上显示______径向亮点。

A

12个

10个

8个

null

人体在冷水中要保持体温不应该______。

C

多穿衣服

保持HELP姿势

饮用酒精饮料

null

舷外机液压微调装置可以______，以适应水面环境改变。

C

改善艇速

驾驶状况

改善艇速和驾驶状况

null

在IMO采纳的分道通航制水域内，互见中，帆船甲驶错分道与正确沿相应分道总流向行驶的机动船乙相遇，此时两船航向相反，有碰撞危险，根据《规则》下列说法正确的是______。

A

甲船不应妨碍乙船

乙船不应妨碍甲船

两船负有同等的避让责任

两船相互之间互不妨碍

If there are "clear grounds" to believe that the condition of a ship, its equipment or its crew does not substantially meet the requirements of a relevant convention, a(n)______inspection will be carried out.

B

initial inspection

detailed inspection

expanded inspection

suspended inspection

In the manual accurate synchronizing, we will not use the ______.

D

synchrometer

synchronizing lights

governor handle switch

synchronizing reactor

关于外径千分尺的使用或管理，做法不当的是______。

C

千分尺两测量面将与工件接触时，要使用测力装置，不要转动微分筒

千分尺测量轴的中心线要与工件被测长度方向相一致，不要歪斜

使用外径千分尺时，一般用手摇转尺架，以减少测量误差

null

船舶在港内浅水区掉头时，下述哪一项正确？

A

进距减小，对横向水域要求增大

进距增大，对横向水域要求减小

进距减小，对横向水域要求减小

进距增大，对横向水域要求增大

快速救助艇往复式内燃机的工作腔称作______。

C

活塞

连杆

气缸

null

All oil tankers of 5,000 tonnes DWT or more shall have prompt access to computerized shore-based ______ and residual structural strength calculation programs.

D

positive stability

negative stability

intact stability

damage stability

______负责加强全体公司和船上人员的保安意识与警惕性。

B

船长

公司保安员

船舶保安员

null

当船舶发生保安事件或保安状况受到威胁或破坏时，暂停除维持船舶安全和保安措施所必需的操作以外的______，以集中人员和精力应对保安威胁或破坏。

B

关键性操作

非关键性操作

任何其他操作

null

对于A字形吊艇架而言，在正常情况下应利用______降放快速救助艇。

B

承载方式

船舶动力源

蓄能器

null

The rate of heat transfer in a water-tube auxiliary boiler can be increased by ______.

B

operating the boiler at less than normal water level

installing fins on the firesides of water-tubes

increasing the amount of excess air to the burners

treating the boiler water with chemical oxygen scavengers

In a crash test,the track length of a ship is very important as it helps the captain to estimate the time and distance required to bring the ship to a complete stop______.

C

with negligible wind

in calm sea

in case of emergencies

with obvious current effect

The beacon located on board aircraft is termed as______

C

EPIRB

PLB

ELT

MCC

船舶保安员是指______。

A

由公司指定的在船上负责船舶保安并对船长负责的人

由公司指定负责确保船舶保安评估得以开展，船舶保安计划得以制订、提交批准，而后得以实施和维持的人

由公司指定的在船上负责船舶保安并对公司负责的人

null

快速救助艇的发动机根据所使用燃料不同，可分为______种。

C

4

3

2

null

______has been prepared to assist navigators by providing supplemental information concerning the use and limitations of UKHO charts and publications.

D

The Ocean Passages for the World

The Nautical Almanac

The Admiralty Distance Tables

The Mariner's Handbook

救生艇吊艇索在存放状态应是______。

A

救生艇和艇架重量全部不在吊艇索上

救生艇和艇架重量全部集中在吊艇索上

救生艇和艇架重量部分集中在吊艇索上

null

A new type of fuel vale-essentially eliminating the sac volume-was subsequently developed and introduced by MAN B & W Diesel as standard to its larger low speed engines.The main advantages of this slide-type fuel valve are reducen emissions of ______ as well as significantly fewer deposits inside the engine.①NOx; ②CO; ③SOx; ④smoke; ⑤unburned hydrocarbons

A

①②④⑤

①②③④

②③⑤

①②③④⑤

The static excitation system uses ______ and ______ to provide series and shunt components for the alternator field.

A

transformers; rectifiers

commutators; rectifiers

transformers; synchroscope

commutators; synchroscope

According to the STCW Convention,Administrations shall require that watch schedules be posted where______.

C

they don't induce fatigue

they are established in a standardizedform

they are easily accessible

they override other conditions

快速救助艇额定乘员使用的保温用具应配备几件？

C

快速救助艇额定乘员的10%

2件

至少2件

null

For a purifier changing to a gravity disc with smaller hole diameter will move the interface towards the______.

B

bowl periphery

bowl center

upper surface

lower surface

海船上配备救生艇吊艇架的种类主要有两种：______。

A

一种是重力式吊艇架，另一种是自由降落艇的降放装置

一种是自由降落艇的降放装置，另一种是直杆式吊艇架

一种是叉型支撑式吊艇架，另一种是直杆式吊艇架

null

An operating characteristic appearing on the name plates of shipboard AC motors is ______.

C

the type of winding

input kilowatts

temperature rise

locked rotor torque

二冲程柴油机与四冲程柴油机相比，优点是______。①换气质量高②功率较大③结构简单④燃油经济性较好

D

①②③④

①②③

①②

②③

______不属于SOLAS公约内容。

A

进入封闭空间的要求

结构、分舱与稳性

船舶安全营运管理

null

In a alternating current electrical system, a low system power factor is a direct sign of ______.

A

wasted energy

efficient operation

a short in the exciter field windings

an excessive number of minor system grounds

保温用具在气温______范围内应能正常使用。

C

-20~+10℃

-20~+30℃

-30~+20℃

null

货船应急消防泵如采用柴油机的起动，燃油供应柜所装盛的燃油应能使泵在全负荷下至少运行______，同时在A类机器处所外应储备足够数量的燃油，能使该泵在全负荷下再运行______。

A

3小时；15小时

3小时；18小时

3小时；24小时

null

If the magnetic heading is greater than the compass heading, the deviation is______.

A

east

west

north

south

在操纵救生艇靠泊时的基本要点是______。

B

要顺流靠，控制好艇速、艇位，保持好靠拢角

要顶流靠，控制好艇速、艇位，保持好靠拢角

要顶流靠，快速接近泊位，保持好靠拢角

null

影响货油流速的两个因素是______。

A

黏度和压力

温度和压力

温度和黏度

null

在海上搜救中，下列______是影响目标漂移的主要环境因素。

A

风压、风生流、海流

风压、风生流、湖流

风压、风生流、潮流

null

Fuel oil having a low cetane rating could result in ______.

B

improved cold weather starting

excessive fuel oil consumption

reduced ignition lag

smoother engine operation

农历初一（新月）或十五（满月），出现高潮最高、低潮最低的现象。这种潮汐称为______。

B

高潮

大潮

小潮

null

机舱火灾被扑灭后，最理想的通风方法是______。

A

机械通风

垂直通风

复合通风

null

The function of the hydraulic telemotor transmitter used in an electro hydraulic steering gear system is to ______.

D

transmit the rudder angle to the bridge indicator

prevent the control linkage from striking the stops when hard over

automatically purge all entrained air from the system

send hydraulic signals to the receiving unit

国际浮标系统“A区域”和“B区域”，它们的区别就在于______。

C

方位标志的颜色不同

专用标志的颜色不同

侧面标志的颜色不同

null

______ can be a direct cause of faulty operation of diesel engine fuel injection nozzles.

B

Excessive fuel nozzle holder cooling

Sediment in the fuel supply

Distortion of the fuel spray pattern

Improper atomization of the fuel

Prior to loading bulk cargo on bulk carriers of 150 m in length and upwards, the shipper shall declare the______ of the cargo, in addition to providing the cargo information required by regulation.

D

volume

mass

type

density

The winding insulation has ______ and is close to zero, please rewind the motor.

C

ago

ageable

aged

old

The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means ______.

B

displacement

fumigation

discharging

compensation

The major cause of fuel pump and injection system problems is______.

B

improper adjustments

contaminated fuel

kinked fuel lines

excessive engine vibration

Which of the following substances is not included in recent and upcoming MARPOL new requirements?

D

NO<sub>x</sub>.

E-waste.

SO<sub>x</sub> emissions.

Plastics.

The complete electrical plant on board ship is made up of ______, a distribution system and many power utilizing devices.

B

electromagents

power generation equipment

switchboards

storage batteries