出自:海船船员证

按摩擦副的运动状态，摩擦可分为（）。
A:滑动摩擦与滚动摩擦
B:干摩擦与液体摩擦
C:边界摩擦与干摩擦
D:静摩擦与动摩擦
对船舶进行安全检查的内容包括：（）I、船舶证书及有关文件资料；II、货物积载及其装卸设备；III、救生、消防设备；IV、海员证及健康证书
A:I~III
B:I~IV
C:I、III、IV
D:II~IV
根据《船舶签证管理规则》，下列有关船舶签证簿的叙述正确的是（）.
A:《船舶签证簿》用完后应送港监注销，并由船舶或其所有人保留3年
B:《船舶签证簿》用完后应送港监保存3年
C:《船舶签证簿》用完后其内的记载与批注自行失效
D:B和C正确
The main propulsion diesel continues running after you try to shut downYoushould now attempt to（）
A:stop the combustion air supply
B:engage the jacking gear
C:secure the lube oil pump
D:shut off the fuel at the day tank
按最新规定较大的船用锅炉进行内部检验的间隔应不超过（）.
A:1年
B:2年
C:3年
D:5年
（） are more suitable for large quantities at low pressure.
A:Reciprocating pumps
B:Rotary pumps
C:Centrifugal pumps
D:Gear pumps
Which of the following statements concerning the lubrication of diesel propulsion engines used in vessels over 300 gross tons is most accurate?（）
A:Lubrication systems using engine driven lube oil pumps do not require any additional independent arrangement when such arrangements have been proven reliable
B:The use of engine driven pre-lube pumps is permitted on vessels with propulsion systems developing less than 500 shaft horsepower
C:When forced lubrication is used for propulsion engines, one independently driven stand-by pumps is to be provided in addition to the necessary pumps for normal operation
D:Lubrication systems where two oil coolers are fitted require a minimum of two temperature control devices which may be actuated by similar sensors
通常产生雷暴、阵雨，有时伴有阵性大风、偶有降冰雹的云为（）。
A:Ns
B:Cb
C:As
D:St
I saw the cargo surveyor（）the cargo on deck just a minute ago．
A:examine
B:to examine
C:being examined
D:examining
Which of the following procedures should be carried out when a large, low-speed, diesel engine is operated with one cylinder secured?（）
A:Lubrication to the defective cylinder should be increased
B:Cooling water temperature to the engine should be increased
C:Only the turbocharger speed should be reduced
D:Engine speed should be reduced
根据规定，传播装卸（）时，装卸机具应按额定负荷降低25%使用。 ①爆炸品； ②一级易染固体； ③毒害品； ④放射性物品。
A:①~④
B:①~③
C:①③④
D:①②④
The device allowing for the change in volume of the cooling water in a propulsion diesel engine closed cooling system is the （）.
A:fresh water expansion tank
B:sea water expansion tank
C:thermostatic expansion valve
D:jacket water cooler accumulator
南半球西行船舶观测到（）云序时，可判断船舶从锋面气旋中心附近南部通过。
A:Ci-Cs-As-Ns-St-Cb
B:Cb-Ac-Ns-As-Cs-Cb
C:Ci-Cs-As-Ns-As
D:Ns-As-Cs-Ci
一段平直的岸线，显示在荧光屏上的图像是向屏中心凸起，且距离变小，该图像是：（）
A:间接回波
B:旁瓣回波
C:二次扫描回波
D:失真岸线图像
Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.
A:directly under the boom
B:moving away from the boom
C:stopped dead in the water
D:tied to the boom
While taking on fuel, you notice oil on the water around the vesselWhich of the following actions should be taken FIRST?（）
A:Stop fueling
B:Notify the dispatcher
C:Notify the terminal superintendent
D:Determine if your vessel is the source
海上航行的机动船甲，见左舷挂有尖端向下圆锥体号型的帆船与本船航向交叉驶近，存在碰撞危险，甲船应：（）
A:右转鸣一短
B:左转鸣二短
C:保向保速
D:减速、停车
While working in the engine room, you hear seven short blasts followed by one long blast on the ships whistle, supplemented by the same signal on the general alarm bellsYou should （）.
A:start the fire pump to charge the fire main
B:standby the main console and await orders from the engineer on watch
C:go to your fire station
D:go to your lifeboat station
IOPP证书在有效期内应进行（），有效期满应进行（）。 Ⅰ．年度检验； Ⅱ．中间检验； Ⅲ．定期检验； Ⅳ．换证检验。
A:Ⅰ+Ⅱ；Ⅲ
B:Ⅰ+Ⅲ；Ⅳ
C:Ⅰ+Ⅱ；Ⅳ
D:Ⅰ+Ⅲ；Ⅲ
在TQWQ型冷却水温度控制系统运行中，如果反馈波纹管破裂，则系统会出现（）。
A:水温上升
B:水温不变
C:水温下降
D:水温不可控
The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to（）
A:precipitate silica from solution
B:reduce corrosion in the heating coil
C:prevent clogging and erosion in the coil
D:maintain zero water hardness
When a man who has fallen overboard is being picked up by a lifeboat，the boat should approach with the wind（）.
A:astern and the victim just off the bow
B:ahead and the victim just off the bow
C:just off the bow and the victim to windward
D:just off the bow and the victim to leeward
机械清洗法对于清除零件表面上的（）十分有效。
A:漆皮
B:积垢
C:油脂
D:油垢
最大尺度
常规船减小兴波阻力的方法有哪两种？
下列船舶属于战斗舰的是（）
A:护卫舰
B:布雷舰
C:补给舰
D:消磁舰
E:巡洋舰
F:潜艇
G:军用快艇
下列哪些物标不容易被雷达发现（）。
A:大型拖轮
B:木质渔船
C:玻璃钢游艇
D:B+C
按岗位责任制（）不用参加轮机部的安全值班工作。
A:轮机长
B:大管轮
C:二、三管轮
D:轮机长和大管轮
从事潜水作业的小船，在白天可以用国际信号——旗的硬制复制品代替球，菱，球垂直三个号型（）.
A:Y
B:B
C:A
D:O
从事拖带作业的操纵能力受到限制的船舶在航时，其除了显示《规则》第二十四条规定的号灯或号型外，其号灯应当显示垂直（）三盏环照灯。
A:白、红、红
B:白、红、白
C:红、白、红
D:红、白、白
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