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单选题
按设置地点不同，航标可分为（）。
A
沿海航标、内河航标、船闸航标
B
灯塔、灯桩、立标
C
灯船、灯浮、浮标
D
发光航标、不发光航标、音响航标、无线电航标
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更多 “单选题按设置地点不同，航标可分为（）。A 沿海航标、内河航标、船闸航标B 灯塔、灯桩、立标C 灯船、灯浮、浮标D 发光航标、不发光航标、音响航标、无线电航标” 相关考题
考题
单选题在柴油机推进装置中，容易发生穴蚀的部件（）。 ①十字头机缸套外壁； ②筒形活塞式机缸套外壁； ③套管式活塞冷却机构； ④螺旋桨叶片； ⑤推力轴承推力块； ⑥回油孔式喷油泵。A
①+②+⑥B
②+④+⑥C
①+⑤+⑥D
①+③+⑤
考题
单选题Which statement about stowing spare hose is TRUE（）.A
Fold the hose so that the male coupling is about 4 feet from the female coupling，then roll it upB
Roll the hose starting at the female endC
Roll the hose starting at the male endD
Fold the hose into lengths about 6 feet long and then lash the folds together
考题
单选题内旋式CPP双车船，在使用一进一倒进行原地掉头时：（）A
螺旋桨产生的横向力有助于船舶的掉头B
舵叶产生的横向力有助于船舶的掉头C
船体产生的横向力有助于船舶的掉头D
旋回产生的横向力无助于船舶的掉头
考题
单选题在NAKAKITA型调节器中，若调节器为反作用式，当测量值减小时，则：（）。A
弹簧管收缩，调节器输出减小B
弹簧管收缩，调节器输出增大C
弹簧管张开，调节器输出减小D
弹簧管张开，调节器输出增大
考题
单选题请指出SSA应按以下什么样的步骤进行。（）I、船舶保安威胁风险评估；II、识别船舶保安薄弱环节；III、制订船舶保安计划；IV、策划减轻风险措施A
I—III—II—IVB
I—II—III—IVC
II—I—III—IVD
II—I—IV—III
考题
单选题下列哪些因素可决定船舶干舷高度的大小（）。 Ⅰ、船长、型深Ⅱ、船舶种类Ⅲ、上层建筑、舷弧 Ⅳ、航行区带，航区Ⅴ、季节期Ⅵ、方形系数A
Ⅰ+Ⅱ+Ⅲ+ⅣB
Ⅱ+Ⅲ+Ⅳ+ⅤC
Ⅰ+Ⅱ+Ⅲ+Ⅳ+ⅤD
Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅴ+Ⅵ
考题
单选题下列有关船舶在旋回中转心的叙述哪些是正确的（）？Ⅰ.刚开始旋回时转心在船舶重心稍后Ⅱ.随着旋回的加剧，转心向船首方向移动Ⅲ.转心处漂角为零Ⅳ.漂角大的船，转心更靠前A
Ⅰ～ⅢB
Ⅱ～ⅣC
Ⅰ、Ⅱ、ⅣD
Ⅰ～Ⅳ
考题
单选题（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.A
Container loadingB
Container dischargingC
Stowage planningD
Container checking
考题
单选题With reference to rules governing steering gear, which one of the following rules is incorrect? （）A
It is required that all ships are provided with two independent steering gear systems that is one main and one auxiliaryB
The auxiliary gear could be power operated in passenger shipsC
The auxiliary gear must be of adequate strength and sufficient to steer a ship at navigable speedD
All moving parts of the steering gear must be guarded against any possible damage
考题
单选题When ship in the dock repairing, engine department should emphasize on the inspection of（）A
sea valve chest, sect valve, thrusterB
bilge motherboard, steering and the shaft systemC
sea water systemD
fresh water system
考题
单选题Bedplates are the （） of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.A
hullB
projectionC
graphitizationD
foundation
考题
单选题How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?（）.A
This requires extensive calculation and is usually performed only by a naval architect not by a ship's officerB
Determine the point where aground and the draft at that point，then calculate it using the grounding formulaC
Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after groundingD
Use the inclining experiment formula and substitute the change of trim for the angle of list
考题
单选题十字头轴瓦过度磨损后应该（）。A
换新B
焊补C
重浇白合金D
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