海船船员考试

单选题The water pockets located on the underside of inflatable liferafts（）.A stow rainwater; these 4 spaces do not take up valuable spaceB act as stabilizers by filling with sea water as soon as the raft is inflated and uprightC hold the freshwater required

题目
单选题
The water pockets located on the underside of inflatable liferafts（）.
A

stow rainwater; these 4 spaces do not take up valuable space

B

act as stabilizers by filling with sea water as soon as the raft is inflated and upright

C

hold the freshwater required by regulation to be provided in the raft when packed

D

None of the above

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相似问题和答案

第1题：

What is placed on the underside of an inflatable liferaft to help prevent it from being skidded by the wind or overturned?

A.Ballast bags

B.A keel

C.Strikes

D.Sea anchor


正确答案：A

第2题：

All inflatable life rafts have ______.

A.safety straps from the overhead

B.built in seats

C.releasing hooks at each end

D.water stabilizing pockets


正确答案：D
所有气胀式救生筏都具有稳定水袋。

第3题：

A safety feature provided on all inflatable liferafts is ______.

A.overhead safety straps

B.built in seats

C.internal releasing hooks

D.water stabilizing pockets


正确答案：D

第4题：

柳钢使用的AxiosX荧光光谱仪安装（）五块衍射晶体。

  • A、LiF（200）、LiF（220）、Ge（111）、PE（002）、PX1
  • B、LiF（200）、LiF（220）、Ge（111）、PE（002）、PX2
  • C、LiF（200）、LiF（420）、Ge（111）、PE（002）、PX1
  • D、InSb、LiF（220）、Ge（111）、PE（002）、PX1

正确答案:A

第5题：

Some canals,such as the Suez of the Panama,save ships weeks of time by making their voyage a thousand miles shorter.Other canals permit boats to reach cities that are not（ ）on the coast,still other canals drain lands where is too much water,help to irrigate fields where there is not enough water,and furnish water power for factories and mills.

A.lain
B.stationed
C.set
D.located

答案：D
解析：
locate“位于”。A.lie不用被动式；B.station“驻扎于”；C.set“放置于”。

第6题：

The most serious effect of air trapped in a diesel engine jacket water cooling system is that it ______．

A.Causes colloid suspension in the cooling water

B.Reduces the capability of the lubrication system

C.Can form pockets which block the flow of coolant through the system

D.Leads to the scuffing of cylinder walls


正确答案：D

第7题：

Hand holds or straps on the underside of an inflatable liferaft are provided ______.

A.to right the raft if it capsizes

B.to carry the raft around on deck

C.for crewmen to hang on to

D.to hang the raft for drying


正确答案：A
气胀式救生筏底部提供的扶手绳或扶手带用于扶正假如倾覆的救生筏。

第8题：

One of the first actions to be taken by survivors when they have boarded an inflatable liferaft is to ______.

A.stream the sea anchor

B.take an anti-seasickness pill

C.open the pressure relief valve

D.drink at least one can of water


正确答案：B

第9题：

LiF在照射前一般要经过1小时400℃高温和24小时80℃低温退火，目的在于（）

  • A、使LiF充分干燥
  • B、使LiF保持较好的形状
  • C、使LiF具有良好的硬度
  • D、使LiF保持良好的剂量响应和一致性
  • E、使LiF具有较高的发光效率

正确答案:D

第10题：

单选题
All inflatable life rafts have（）.
A

safty straps from the overhead

B

built in seats

C

releasing hooks at each end

D

water stabilizing pockets


正确答案： D
解析： 暂无解析

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