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
阀控型舵机的最大优点是()。
A
系统简单
B
效率高
C
发热少
D
A与B
参考答案
参考解析
解析:
暂无解析
更多 “单选题阀控型舵机的最大优点是()。A 系统简单B 效率高C 发热少D A与B” 相关考题
考题
单选题根据我国“船舶安全管理体系认证规范”的规定,船级社对船舶的安全管理体系的审核有下列哪几种?()I、初次审核;II、中间审核;III、换证审核;IV、附加审核A
I~IVB
I~IIIC
II~IVD
I、II、III
考题
单选题在船上举行的油污演习中,可演练()等油污应急行动。 Ⅰ.关闭阀门;Ⅱ.堵塞甲板排水孔;Ⅲ.在甲板围拦和收集溢油;Ⅳ.清除溢出舷外的溢油。A
Ⅱ~ⅣB
Ⅰ,Ⅱ,ⅣC
Ⅰ,Ⅲ,ⅣD
Ⅰ~Ⅳ
考题
单选题下列有关大副货物运输的职责哪项不正确()。A
安排船员监理,防止货损、货差和偷盗事故的发生B
对可能引起货损或混票的货物应及时向港方和货主提出,待妥善处理后再装C
对包装不固、标志不清的货物应立即拒装D
装卸粮食、冷藏货和其他特殊货物时,应取得检验师签署的证书
考题
单选题After you enter the Ohio River at Cairo,which span of the Illinois Central RR Bridge would you select to pass under? ()A
Any span is navigableB
Northbank or SouthbankC
Southbank span onlyD
Northbank span only
考题
单选题Which instrument is used to predict the approach of a low pressure system().A
AnemometerB
FathometerC
BarometerD
Thermometer
考题
单选题You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should().A
hold course and sound a two blast whistle signalB
hold course and sound no whistle signalC
change course to the right and sound one blastD
hold course and sound two prolonged and two short blasts
考题
单选题Personnel working with refrigeration systems, and subject to the exposure of refrigerants should wear ().A
face shieldB
a respiratorC
rubber glovesD
an all purpose gas mask
考题
单选题If the current and wind are in opposite directions,the sea surface represents().A
a greatly reduced wind speedB
a higher wind speed than what really existsC
a lower wind speed than what really existsD
more turbulent winds
考题
单选题The securing systems for containers were developed to prevent container movement during which ship motion?().A
SurgeB
RollC
SwayD
Yaw
考题
单选题A bilge suction line,in a fishing vessel with more than 16 individuals aboard,must have a strainer with an open area not less than how many times the open area of the suction line?()A
oneB
twoC
threeD
four
考题
单选题Floors aboard ship are().A
frames to which the tank top and bottom shell are fastened on a double bottomed shipB
transverse members of the ships frame which support the decksC
longitudinal beams in the extreme bottom of a ship from which the ship's ribs startD
longitudinal angle bars fastened to a surface for strength
考题
单选题龙卷涡旋特征(TVS)的切变指标是在距离雷达60公里以内,相邻方位角之间的速度差();在距雷达60公里至100公里之间,相邻方位角之间的速度差()
热门标签
最新试卷
![瑞牛题库 章节练习 历年真题 模拟试卷](http://assets.51tk.com/51_sidebar_right_index.jpg)