A.alternate expansion and contraction as water in a liquid state becomes a vapor
B.absorption of smoke and gases as water is converted from a liquid to a vapor
C.rapid contraction as water is converted from a liquid to a vapor
D.rapid expansion as water absorbs heat and changes to steam
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A.detachable link
B.stud link
C.Kenter link
D.connection link
A.flame stopper
B.flame screen
C.flame filter
D.flame restrictor
A.enlarge bit
B.casing bit
C.hole opener
D.casing opener
A.velocity of the current
B.bottom characteristics
C.depth of the water
D.speed over the ground
A.speed being made good
B.speed through the water
C.the set of the current
D.the depth of the water
最新試題
The helm command PORT TWENTY means（）.
Which of the following is not a form of precipitation?（）
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Before any loading takes place any signs of the previous cargo should do（）.
Bales close to the deckhead should be covered to prevent（）.
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
According to the relevant regulation, lifeboat should be powered by（）.
A tide is called diurnal when（）.
What is it called when it is possible to ignite the vapour above the oil?（）