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单选题
长轴系是指具有（）中间轴的轴系。
A
一节以上
B
两节或两节以上
C
三节以上
D
10米以上
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更多 “单选题长轴系是指具有（）中间轴的轴系。A 一节以上B 两节或两节以上C 三节以上D 10米以上” 相关考题
考题
单选题我国《海洋营运船舶明火作业安全技术要求》规定，为确保安全，进行明火作业应符合哪些技术条件（）。 Ⅰ.可燃气体浓度不大于爆炸下限的1%，相对风速小于13.8m/s； Ⅱ.测爆合格的舱室或处所，明火作业必须在4小时内开工； Ⅲ.焊工必须持有主管机关认可的合格证书； Ⅳ.明火作业必须有专人负责监护。A
Ⅰ—ⅢB
Ⅱ—ⅣC
Ⅰ—ⅣD
Ⅰ、Ⅱ、Ⅳ
考题
单选题How can rescue personnel detect that a SART is transmitting in the immediate vicinity? （）A
The SART's blips on the PPI will begin arcing and eventually become concentric circlesB
The DSC unit will react to the SART's signal and respond with the two-tone autoalarmC
The SART can provide an approximate location to within a two nautical mile radius per IMO standardsD
The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART
考题
单选题Which oil is not suitable for use as storm oil?（）A
Fish oilB
Vegetable oilC
Mineral oilD
Animal oil
考题
单选题船舶系泊时，后倒缆或尾倒缆的作用是：（）.A
防止船舶前移、防止船首向外舷移动B
防止船舶后移、防止船首向外舷移动C
防止船舶前移、防止船尾向外舷移动D
防止船舶后移、防止船尾向外舷移动
考题
单选题If a centrifugal pump were continually operated with the discharge valve closed, the （）.A
motor controller overload would openB
pump would eventually overheatC
relief valve would continuously cycle openD
motor would overheat
考题
单选题After putting on a self-contained breathing apparatus, you open the air supply and hear a continuous ringing of a bell.What does this mean?（）.A
The unit is working properlyB
The face mask is not sealed properlyC
The air bottle needs to be refilledD
The air supply hose has a leak
考题
单选题根据SOLAS公约中有关船舶检验的规定，下列提法哪些准确（）。 Ⅰ.客船、货船均应进行营运前的初次检验； Ⅱ.客船的定期检验间隔为12个月； Ⅲ.货船的定期检验间隔为5年； Ⅳ.船舶在任何重要修理后应进行附加检验。A
Ⅰ—ⅢB
Ⅰ—ⅣC
Ⅱ—ⅣD
Ⅰ、Ⅱ、Ⅳ
考题
单选题When there is no movement of the rams on an electro-hydraulic steering gear, the tilting box of the running pump is （）.A
set for maximum torqueB
on the purge and vent strokeC
in the neutral positionD
rotating backwards
考题
单选题The heated feed-water entering any flash chamber of a flash-type evaporator will（）A
vaporize, with the un-flashed water remaining at the temperature at which it entered the flash chamberB
vaporize, with the un-flashed eater equalizing to the saturation conditions existing in the f lash chamberC
vaporize, with the remaining water a t a temperature greater than it entered the flash chamberD
boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
考题
单选题《规则》第十六条规定：“须给他船让路的船舶，应尽可能及早地采取大幅度的行动，宽裕地让清他船”；其对让路船的行动要求可归纳为“早、大、宽、清”4个字；“（）”是对采取避让行动的幅度提出的要求。A
早B
大C
宽D
清
考题
单选题目前水上VHF通信业务划分出的国际频道号为（）。A
1—28和60—88B
1—38和70—88C
1—18和50—88D
1—57
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