2021海船船员考试历年真题精选7节

风机须能避免甲烷和空气混合物着火的可能性。通风口的进出口处须设有合适的?()

A.金属丝网护罩

B.过滤网

C.挡火闸

生产中，曲轴的弯曲疲劳破坏( )扭转疲劳破坏。

A.少于

B.等于

C.多于

D.远远多于

遇难人员进入艇筏后，应在难船附近等待2~3天，不应立即寻找陆地和岛屿。()

驱气，是指向货油舱充入＿＿＿，驱赶＿＿＿的过程。

A.烃气/空气

B.惰气/空气

C.惰气/烃气

泡沫灭火剂对油火是有效的灭火剂。

此题为判断题(对，错)。

手动火警按钮，只做火灾报警使用。

此题为判断题(对，错)。

A、仅仅Ⅰ

B、仅仅Ⅱ

C、Ⅱ+Ⅲ

D、Ⅰ~Ⅲ

惰气风机的用途------。

A.只能用来充注惰气

B.不能用来除气

C.即可用于用来充注惰气，又可以除气

测定柴油机调速器的转速波动率时，其值应______。

A.≤±0.5%～1%

B.≤±0.25%～0.5%

C.≤0.6%～0.7%

D.≤±1%～1.2%

材料：If，by reason of or in compliance with any such directions or recommendations，the vessel does not proceed to the port or ports named in the Bill of Lading or to which she may have been ordered pursuant thereto，the Vessel may proceed to any port as directed or recommended or to any safe port which the Owners in their discretion may decide on and there discharge the cargo．Such discharge shall be deemed to be due fulfillment of the contract of affreightment and the Owners shall be entitled to freight as if discharge had been effected at the port or ports named in the Bill of Lading or to which the Vessel may have been ordered pursuant thereto．

问题：If the vessel does not, under the directions of the Charterer, proceed to the port or ports named in the Bill of Lading or to which she may have been ordered pursuant thereto to, she may proceed to all the following ports except ______ ．

A.any port as directed

B.any port as recommended

C.any safe port which the Owners in their discretion may decide on

D.the port or ports of origin

At the substituted port, the carrier is entitled to ______ freight if he had dilivered full cargo there．A.full freight

B.half freight

C.no freight

D.reasonable freight

The contract of affreightment is referred to ______ ．A.a contract of carriage by which the carrier is entitled to carry certain amount of cargo in a specified time by any vessel or vessels either belonging to himself or to others

B.a contract of carriage, such as Gencon

C.a contract of trade

D.a contract of sales

This is a ______ ．A.a clause of a contract

B.an explanation of a clause in a contract

C.a requirement from a government

D.an article of an international convention

请帮忙给出每个问题的正确答案和分析，谢谢！

港泊时船用主机暖缸时使用的预热方法大多采用______。

A.蒸汽加热主机循环水柜

B.电加热器加热主机冷却水

C.膨胀水箱中加热冷却水

D.发电柴油机冷却水对主机循环加热

高温下加载频率大时，对材料的疲劳强度影响是( )。

A.疲劳强度高

B.疲劳强度低

C.不变

D.不一定

Midships refers to rudder to be held ________ ．

A.in position to starboard

B.in position to port

C.in position to anywhere

D.in position fore and aft

制冷装置中安装电子膨胀阀的压力传感器时，压力接口最好安装在( )。

A.过度铜管的下方

B.垂直铜管的底部

C.水平铜管的上方

D.水平铜管的下方

A.黏着

B.折断

C.裂纹

D.磨损

A、Ⅰ+Ⅱ

B、仅仅是Ⅲ

C、Ⅰ~Ⅳ

D、Ⅰ~Ⅲ

Maximum and minimum working temperatures must be considered when choosing the joint, which must be so installed that it is neither over-compressed nor over-extendedThe bold and italic word "which "probably means _____.

A.maximum working temperature

B.minimum working temperature

C.the joint

D.the insulating material

What is meant by the term“luffing the boom”of a crane ________．

A.Stopping the boom

B.Topping or lowering the boom

C.Moving the boom left or right

D.All of the above

弃船登上救生艇筏后，应立即离开难船，以免被旋涡吸入水中。()

应变部署表的格式应根据每船实际制定。()

弃船求生时的个人任务，可以从船员名册里找到。()

此题为判断题(对，错)。

A、体积为多少立方数

B、收到多少吨燃油

C、收到多少吨燃油，少收多少吨

D、体积为多少立方数，少收多少立方

A、等压线稀疏，水平气压梯度大

B、等压线稀疏，水平气压梯度小

C、等压线密集，水平气压梯度小

D、水平气压梯度与等压线疏密程度无关

下列各项，其中( )属于认知性自我管理技能。

A.呼吸训练

B.时间管理

C.与人交流

D.合理膳食

One disadvantage of using regular dry chemical（sodium bicarbonate）in firefighting is that ______．

A.It can break down under high heat and emit noxious fumes

B.It will decompose under prolonged storage and lose its effectiveness

C.Fire has been known to flash back over the surface of an oil fire

D.It is ineffective in fighting fires in high-voltage electrical equipment

A、蓝烟

B、黑烟

C、白烟

D、黑烟+蓝烟+白烟

A.用清水冲洗零件

B.妥善保存零件

C.油洗零件

D.酸洗零件

A.①②③④

B.①②③

C.①②

D.①

船舶应变部署表的种类可分为______。Ⅰ、救生;Ⅱ、消防;Ⅲ、堵漏;Ⅳ、综合。

A.Ⅰ+Ⅱ

B.Ⅰ+Ⅱ+Ⅲ

C.Ⅲ+Ⅳ

D.Ⅰ+Ⅱ+Ⅲ+Ⅳ

Which vessel in ocean service is not subject to Annex V of MARPOL 73/78?

A.A 20-foot sailing vessel

B.A 26-foot tug and tow

C.An uninspected 35-foot passenger vessel

D.A Navy Destroyer

当作号型的球体直径应应不小于_____。

A.1米

B.0.5米

C.0.6米

D.1.5米

柴油机回油阀式喷油泵的出油阀泄漏经研磨或换新后密封性变好，则对喷油提前角的影响是_______ 。

A.增大

B.减小

C.无变化

D.无规律

紧急逃生呼吸器装置(EEBD)是提供空气或氧气的装置，仅用于从有危险气体的舱室内逃生。

此题为判断题(对，错)。

为了不影响船厂报价和公司对船厂的选择，修理单需注明______。

A.修理工程的内容、规格和要求

B.机械设备所处机舱部位

C.拆装工艺和方法

D.上次修理情况

A、应对公司的检查

B、应对船舶安全检查

C、证实执行上级指示情况

D、加强经济管理、提高经济效益、完善管理制度

下列哪项可区分闭合性骨折与开放性骨折()

A.痛、畸形

B.功能障碍

C.骨摩擦音

D.骨折处与外界相通

关于燃油系统的防火控制，主要应保证做到油柜不能加得太满，输油管路无泄漏，喷油嘴工作正常及舱底积油不应太多。

此题为判断题(对，错)。

肺循环不经过：()

A.右心室

B.右心房

C.肺动脉

D.肺静脉

下列说法正确的是________①让路船仅须遵守16条的规定；②直航船除遵守17条外，还应遵守第8条；③直航船的义务就是保速保向；④互见中的行动规则仅适用于同一类船舶。

A.①②④

B.①③④

C.②④

D.②

A vessel proceeding along the course of a narrow channel shall keep as near to the outer limit of the channel which lies on her starboard side as it is safe and practicable．Which one of the followings does the statement express？

A.A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicable

B.A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicable

C.A vessel shall avoid proceeding along the channel because it is not safe and practicable

D.A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable

集装箱船的机舱一般设在：

A.中部

B.中尾部

C.尾部

D.B+C

A、及时报警并细致检查

B、携带必要的武器进行全船搜寻

C、不要擅自处理，更不能破坏现场，立即报告

D、更换新锁

A、按危险货物中文名称的拼音字母顺序查阅

B、按危险货物品名的第一个汉字的笔划数查阅

C、按危险货物品名的第一个汉字的拼音字母顺序查阅

D、以上都不对

Proper GMDSS watchkeeping includes ______.

A.understanding the GMDSS console’s normal operational indicators

B.maintaining a proper GMDSS radio station log

C.responding to and comprehending alarms

D.All of the above

A、剪切力和弯矩对船体强度的影响

B、自由液面对船舶稳性的影响

C、船速对压载泵性能的影响

D、吃水差过大对航行状态的影响

当前火灾分类法中将火灾分为三类即甲类火、乙类火、丙类火。

此题为判断题(对，错)。

集中式船舶空调装置的送风量是按满足成员对______的需要为原则决定的。

A.氧气

B.空气新鲜清洁程度

C.A+B

D.保持合适的室内温、湿度

活塞环黏着在环槽中将导致______。

A.密封不良

B.弹力下降

C.搭口间隙变小

D.折断