A.cooling
B.smothering
C.shielding of radiant heat
D.breaking the chain reaction
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A.directly on flames
B.at room temperature
C.in an extremely cold climate
D.None of the above
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
A.more
B.not so much
C.rather
D.not shch
A.anchoring
B.mooring
C.sewing
D.splicing
A.at
B.to
C.of
D.with
最新試題
A tide is called diurnal when（）.
The helm command PORT TWENTY means（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
The ISM code is part of（）.
It is dangerous for vessels without the operational radar（）the estuary.
Which of the following shall not the officers in charge of the navigational watch do?（）
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
When steering by autopilot,how often should the steering be checked?（）
ECDIS must be able to perform all of the following EXCEPT（）.