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单选题
第二型冷锋与第一型冷锋相比,其特征是()。 Ⅰ.坡度大;Ⅱ.移动快;Ⅲ.移动慢;Ⅳ.坏天气剧烈;Ⅴ.坏天气短暂;Ⅵ.坡度小。
A
Ⅰ,Ⅱ,Ⅳ,Ⅴ
B
Ⅱ,Ⅳ~Ⅵ
C
Ⅲ~Ⅵ
D
Ⅰ,Ⅳ~Ⅵ
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单选题下列有关轴隧描述正确的是() Ⅰ.在货舱口下的轴隧顶板应加厚2mm,否则应加木铺板; Ⅱ.在机舱和轴隧间舱壁上应设置符合规定的滑动式水密门; Ⅲ.应急通道的关闭装置必须满足单面操纵要求;Ⅳ.轴隧主要用来保护推进器轴。A
Ⅰ,Ⅱ,Ⅲ,ⅣB
Ⅱ,Ⅲ,ⅣC
Ⅰ,Ⅱ,ⅢD
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考题
单选题船舶进行尾系泊时,其抛锚和带缆顺序一般为:()A
在指定位置先带尾缆,然后进车至抛锚点下锚B
先在抛锚点下锚,然后倒车至指定位置带尾缆C
先在抛锚点下锚,然后倒车至指定位置带尾缆D
不指定位置先带首缆,然后倒车至抛锚点下锚
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单选题根据轮机长职责,当发生机电事故时轮机长应()。 a.立即采取措施,防止损坏扩大; b.组织抢修并查找原因; c.采取防止类似事故发生的有效措施; d.命令值班人员马上将经过和结果记入轮机日志; e.非船员责任事故记入轮机日志,不必书写事故报告。A
a+b+c+dB
a+b+c+eC
a+b+cD
a~e
考题
单选题在对航海仪器、图书管理工作中,下列错误做法的是()。A
船上有几张相同海图,至少应改正一张B
助航仪器由驾驶员使用,见习人员在征得船长同意后使用C
驾驶员经常测算和核对各种仪器误差D
A、B均错
考题
单选题If,for any reason,it is necessary to abandon ship while far out at sea,it is important that the crew members should().A
separate from each other as this will increase the chances of being rescuedB
get away from the area because sharks will be attracted to the vesselC
immediately head for the nearest landD
remain together in the area because rescuers will start searching at the vessel's last known position
考题
单选题A towboat has the same draft as the barges it is pushing ahead. If the distance from the stern of the towboat to the head of the tow is 260m,where is the approximate location of the pivot point of the unit?()A
At the head of the towB
75m from the head of the towC
120m from the head of the towD
180m from the head of the tow
考题
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①②③B
①③④C
②③④D
①②④
考题
单选题Regulations require that tankers handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by().A
cofferdamsB
empty cargo spacesC
gas tight bulkheadsD
areas equipped with power ventilation
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