A.must utilize magnatic courses
B.must take set and drift into account
C.should be replotted hourly
D.should be started each time the vessels position is fixed
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A.bitt
B.bollard
C.capstan
D.cleat
A.screw pump
B.centrifugal pump
C.eductor
D.gear pump
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
最新試題
Bales close to the deckhead should be covered to prevent（）.
When steering by autopilot,how often should the steering be checked?（）
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
（）is where the crew eat their meals.
Full details of all lights and fog signals are shown on（）.
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（）.
It is dangerous for vessels without the operational radar（）the estuary.
Berthing means bringing a vessel to her berth until（）.
ECDIS must be able to perform all of the following EXCEPT（）.