网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
极限静倾角是（）的指标。
A
动稳性
B
初稳性
C
大倾角静稳性
D
纵稳性
参考答案
参考解析
解析：
暂无解析
更多 “单选题极限静倾角是（）的指标。A 动稳性B 初稳性C 大倾角静稳性D 纵稳性” 相关考题
考题
单选题A fire is considered "under control" when （）.A
all hands are at their fire stationsB
all fire-fighting equipment is at the sceneC
the fixed systems are activatedD
the fire is contained and no longer spreading
考题
单选题请问采用方位避险，如所选避险物标和危险物同在航线右侧，且避险物标位于危险物前方，避险方位为060°，陀罗差2°W，则在下列哪种情况下表明船舶不存在航行危险（）A
实测陀罗方位060°B
实测陀罗方位058°C
实测真方位062°D
以上都不存在危险
考题
单选题In the design of hydraulic piping and equipment consideration is given to minimize turbulence in the hydraulic fluid, as this will cause（）A
molecular fluid vibrationB
energy lossesC
wide pressure variationsD
mechanical damage to control valves
考题
单选题CCAI数值大，芳香烃增多，燃烧性能越差，下列（）与其有关。 a．影响燃油燃烧的滞燃期和效率； b．影响最高压力升高比； c．加剧高温腐蚀的速度； d．影响燃烧部件温度； e．影响废气排放物、燃烧沉淀物。A
a～eB
a+b+dC
a+c+eD
除c其他都是
考题
单选题Tell the stevedores not to touch the goods（）the upper tweendeck of hatch No.2.A
onB
inC
atD
into
考题
单选题The purpose of the purge valve at the top of the condenser in a refrigerating system is to（）A
remove any air that may accumulate in the systemB
take out unpleasant fumes from the refrigerantC
vent off excess refrigerant in an emergencyD
permit opening the refrigerating system for cleaning and inspecting
考题
单选题If it becomes necessary to pump bilges while a vessel is in port, which of the following procedures should be followed?（）A
Pump only if the discharge is led to a shore tank or bargeB
Pump only during the hours of darknessC
Pump only on the outgoing tideD
Pump only as much as is necessary
考题
单选题The pressure difference of the gauge on the oily water separator increases greatly, the reason is（）A
the filter is cloggedB
bilge suction value is cloggedC
suction value and discharge value of the pump do not open fullyD
screw pump is worn seriously and volumetric efficiency is decreased
考题
单选题对船舶动力装置组成理解正确的是（）。A
保证船舶航向、停泊及装卸的是辅助系统B
用以处理船上油污及垃圾的设备为辅助装置C
凡是能产生能量的装置称为船舶动力装置D
使船舶克服阻力以某一航速航行的是主动力装置
考题
单选题柴油机在标定工况下工作各缸的参数应符合下列规范要求（）。A
爆炸压力±4%，排气温度±5%，指示功率±2.5%，压缩压力±2.5%B
压缩压力±2.5%，爆炸压力±2.5%，指示功率±4%，排气温度±5%C
压缩压力±2.5%，爆炸压力±2.5%，指示功率±5%，排气温度±4%D
爆炸压力±5%，排气温度±4%，指示功率±2.5%，压缩压力±2.5%
考题
单选题The bearings used to support the crankshaft are generally called （）A
line shaft bearingsB
connecting rod beatingsC
main bearingsD
support bearings
考题
单选题A （） pump is that where the volume of the pump chamber is alternately increased to draw the liquid in and then decreased to force the liquid out.A
injectorB
positive displacementC
centrifugalD
centripetal
考题
单选题锅炉的效率是指同一时间内（）。A
工质得到的有效热量/消耗燃料的发热量B
蒸发锅水的汽化潜热/烟气传给受热面的热量C
工质得到的有效热量/烟气传给受热面热量D
蒸发锅水的汽化潜热/消耗燃料的发热量
考题
单选题如要定速航行，驾驶台应向机舱重复一次“（）”车令。A
前进一B
前进二C
前进三D
停车位置
热门标签
最新试卷
