A.screw pump
B.centrifugal pump
C.eductor
D.gear pump
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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
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
最新試題
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
The dew point temperature is（）.
Berthing means bringing a vessel to her berth until（）.
When the wave period and the apparent rolling period are the same（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
Bales close to the deckhead should be covered to prevent（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
A tide is called diurnal when（）.
The loading of the ship must be done in accordance with（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.