当船舶漏损进水时,()应定时测量漏损水舱的水位,并估算进水量与排水量。
A.一水
B.木匠
C.水手长
为避免跳入水中受冻,弃船前可喝一些酒精的饮料。
此题为判断题(对,错)。
齿轮泵设卸荷槽后,若对漏泄影响不明显,则泵流量应______。
A.稍有增加
B.稍有减少
C.保持不变
D.脉动加剧
船员调动时的交接规定,应包括下列哪些内容?Ⅰ、交接时应由上级领导在场监交,上级领导不能在场时,不可交接Ⅱ、应交接应急部署中编定的职务和位置Ⅲ、本船的各项安全生产规章制度,值班交接和巡回制度
A.Ⅰ~Ⅲ
B.Ⅰ、Ⅲ
C.Ⅱ、Ⅲ
D.Ⅰ、Ⅱ
A、绿色灯光
B、标身是锥形
C、顶标罐形
体温表的特点是当表内水银柱升高后可以自动下降。
此题为判断题(对,错)。
观察皮肤,下列哪项作为常规内容:()
A.弹性
B.疤痕
C.颜色
D.以上皆是
A.卸扣本体的直径
B.横栓的直径
C.与所用材料有关
D.A或B
Solid green arrows on the main body of a pilot chart indicate ______.
A.prevailing wind directions
B.prevailing ocean current directions
C.probable surface current flow
D.shortest great circle routes
A.The location of the interface can be changed by exchanging the diameter of the gravity disc
B.A.larger diameter of gravity disc can cause the interface is far away from bow center
C.disc should not break the The diameter of gravity water seal
D.In practice, the use of nomogram is the best oA530 operation
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you,what should you do ________.
A.Increase the rate of turn
B.Decrease the rate of turn
C.Maintain a constant rate of turn
D.Decrease speed
伴流效应横向力,随着船速的增加而:
A.由大到小
B.逐渐增大
C.逐渐减弱
D.以上都不对
A.顶/无间隙/一
B.顶/有间隙/两
C.两侧/有间隙/两
D.两侧/无间隙/一
实践中,当船长决定主机定速时一般应如何通知机舱?
A.书面通知机舱
B.先摇车钟,然后再电话通知机舱
C.派值班水手通知轮机长
D.先用电话通知机舱,然后再摇车钟
采用大量的水灭火会产生自由液面,使船舶重心升高及储备浮力下降。
此题为判断题(对,错)。
Given the same water depth and line tension, the holding power of a 19 pound / foot wire rope mooring system in comparison to the holding power of a 90 pound / foot chain mooring system will be ______.
A.weaker
B.equal
C.greater
D.Indeterminable
A、每缸一个换向伺服器
B、每两个缸共用一个换向伺服器
C、整机共用一个换向伺服器
D、每三个缸共用一个换向伺服器
某单边带接收机,第一中频为38MHz,第二中频为8MHz,当接收12MHz信号时其镜像干扰频率为_____。
A.88MHz
B.38MHz
C.40MHz
D.8MHz
每艘充气式救助艇正常属具应包括_____。
①安全艇篙2支;②海绵2块;③有效的手动充气器或充气泵1具;④可浮安全小1把;⑤足够长度和强度的首缆1根
A.①②③④
B.②③④⑤
C.①②③④⑤
每件成人救生衣应使穿着的人员可作短距离的游泳,并登上救生艇筏。
此题为判断题(对,错)。
旗
A.flight
B.fly
C.fire
D.flag
水花式喷淋装置是冷却型的消防设备之一。
此题为判断题(对,错)。
A、①②④
B、②③④
C、①③④
D、①②③
急救箱内的药品应按保管人的意图准备。
此题为判断题(对,错)。
影响疲劳的因素有:I、体力劳动和脑力劳动的持续时间;II、体力劳动和脑力劳动的强度;III、船员的情绪,身体状况等
A.I、II、II
B.I、II
C.I
D.II、III
船体发生总纵弯曲的原因,主要是由于沿着船长方向上每一点的( )分布不均造成的。
A.重力和船舶阻力
B.浮力和波浪冲击力
C.重力和浮力
D.剪力和重力
CIt is desirable to have screens on the vents of potable water tanks to ______.
A.Filter the incoming air
B.Prevent explosions
C.Prevent backups
D.Stop insects from entering
A.喷涂或喷焊
B.焊接
C.堆焊
D.粘接
When several salvors are on-scene at the same time to assist a vessel that has not been abandoned,which principal governs the decision as to which one's services will be accepted ________.
A.The Master of the ship needing assistance has the absolute right to decide
B.The first salvor on-scene has the prior claim providing he has adequate facilities to assist the vessel needing assistance
C.The salvors must agree to a division of any salvage among themselves with the major share allotted to those doing the most work
D.The first salvor on-scene has the absolute right to provide assistance;however,he is liable if the ship is lost due to his lack of experience,equipment,etc
A、拉应力
B、压应力
C、剪应力
D、拉剪交变应力
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