A.Right Descending Bank span
B.Left Descending Bank span
C.Center span
D.Water is equal under all spans
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A.does not change
B.improves rapidly
C.improves only slightly
D.becomes poor
A.Scrubber
B.Demister
C.Deck water seal
D.Final filter
A.Apply ice-cold compress and renew every 4 hours
B.Commence artificial respiration immediately
C.Give enema
D.Pass catheter into bladder
A.Record of drafts
B.Hull reports
C.Anchor record
D.Machinery repair book
A.The unit is working properly
B.The face mask is not sealed properly
C.The air bottle needs to be refilled
D.The air supply hose has a leak
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An icebreaker may use the code letter “K” to remind ships of their obligation to listen continuously on their radio. This signal may be made by any of the following EXCEPT（）.
An aneroid barometer on a boat should always be（）.
An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter “E” (Echo) to signify that “（）”.
An “atoll cloud” forming over an island due to heating of the land during the daytime would be which type? （）
An entry of water，gas，oil，or other formation fluid into the wellbore is called a（）.
An airplane should NOT send which signal in reply to a surface craft?（）
All towing vessels of 26 feet or longer while navigating are required to carry which item? （）
AMVER is a system which provides（）.
Antiseptics are used principally to（）.
All of the following are part of the fire triangle EXCEPT（）.