单选题GMDSS中MSI系统的作用是()A播发通报B发射对时信号C播发海上安全信息D发射定向信号
单选题
GMDSS中MSI系统的作用是()
A
播发通报
B
发射对时信号
C
播发海上安全信息
D
发射定向信号
参考解析
解析:
暂无解析
相关考题:
单选题Cylinder oil is a high viscosity mineral oil, with a () machined to the anticipated sulfur content of the fuel.ATANBTBNCSANDSBN
单选题在营运船舶的法定检验中,定期检验与换证检验的特点是()。 Ⅰ.定期检验与换证检验均是全面的检查和必要的试验; Ⅱ.定期检验是签证检验; Ⅲ.定期检验又称换证检验。A仅仅是ⅠBⅠ和ⅢCⅠ和ⅡD仅仅是Ⅱ
单选题某港装船机悬梁最低点在基准水深上18.11m,船舶舱口围上边缘至龙骨下缘垂距26.11m,潮高0.15m~1.17m,要求装船机顶端至舱口要求富余水深1.10m,则船舶最小吃水为()m。A9.120B10.120C10.170D8.100
单选题大副在船舶开航时的准备工作应包括()。Ⅰ.对甲板设备和操作性方面的缺陷的纠正是否符合船舶所有人的要求;Ⅱ.货运单证是否齐全、正确;Ⅲ.甲板部各种设备和工作是否符合安全开航要求;Ⅳ.配合其他部门做好开航准备工作。AⅠ~ⅢBⅡ~ⅣCⅠ~ⅣDⅠ、Ⅲ、Ⅳ
单选题The class of fire on which a blanketing effect is essential to extinguish the fire is ().Aclass ABclass BCclass CDclass D
单选题NAVTEX接收机接收到编码为CA89电文,下列说法正确的是()A该电文是在0420-0430UTC播发的航行警告B该电文是在0510-0520UTC播发的气象警告C该电文是在0420-0430UTC播发的气象警告D该电文是在0510-0520UTC播发的航行警告
单选题The signal given to commence lowering the lifeboats is().A3 short blasts of the ship's whistleB1 short blast of the ship's whistleC3 long blasts of the ship's whistleD1 long blast of the ship's whistle
单选题After conducting an abandonment drill,the Master or person in charge of a ship shall log().Athe names of crew members who participated in the drillBthe length of time that each motor propelled lifeboat was operated in the drillCthe length of time the lifeboat was in the waterDthe time it took to lower the boat
单选题关于对起重机构液压系统的设计要求,以下说法中不恰当的是()。A对执行元件两侧主油路限压保护的要求不同B必须有限制执行元件某一方向运动速度过快的措施C任何情况都必须设机械制动器D若重力负荷变化大则应有限制功率的措施
单选题根据港口国监督程序的规定,“低标准船舶”是指()。A船舶吨位低于标准的船舶B船舶尺度低于标准的船舶C船舶速度低于标准的船舶D船体、设备、机器或配员低于公约要求的标准或不符合安全配员文件的船舶
单选题为保证动力装置可靠的工作,对主机的选择除与质量有关外,还与()有关。 Ⅰ.船舶设计; Ⅱ.船东选择和使用; Ⅲ.船机桨配合特性; Ⅳ.船型和螺旋桨。A仅仅是ⅡBⅠ+Ⅱ+ⅢCⅠ~ⅣDⅡ+Ⅲ+Ⅳ
单选题The term of Landfall means().ALand first sighted when vessel approaching from seawardBLand last sighted when vessel leaving from a portCIn sight of one another when vessel underwayDIn sight of an island during a ship on her voyage
单选题船舶旋回初径随水深变浅而:()A渐渐变大,且当H/d<2之后,将急剧变大B渐渐变大,且当H/d<7之后,将急剧变大C渐渐变小,且当H/d<7之后,将急剧变小D渐渐变小,且当H/d<2之后,将急剧变小
单选题The scavenge port inspection should be carried out(), to obtain the most reliable result with regard to the effectiveness and sufficiency of the cylinder lubrication and the combustion cycle (complete or incomplete).Aat the first stop after a long voyage egby anchoring if possibleBat the first stop after arrival at harborCat the first stop after low load runningDat the first stop after passing river or canal passage
判断题形似船在相应速度时(或相同傅汝德数时),单位排水量兴波阻力必相等。A对B错