A.anchor the boat
B.pick up heavy loads
C.protect fiber rope from abrasion
D.strengthen mooring lines
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A.jibing
B.running before the wind
C.tacking
D.reefing
A.allowed
B.forbidden
C.approved
D.disliked
A.cooling
B.smothering
C.chemical action
D.All of the above
A.flash point
B.upper explosive limit
C.lower expiosive limit
D.All of the above
A.heated gases flowing through ventilation syetem
B.the transfer of heat across an unobstructed space
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ships metal
最新試題
Which of the following shall not the officers in charge of the navigational watch do?（）
Which of the following is not a form of precipitation?（）
Manoeuvring information can not be obtained from（）.
When the wave period and the apparent rolling period are the same（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
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（）.
Berthing means bringing a vessel to her berth until（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
ECDIS must be able to perform all of the following EXCEPT（）.
It is dangerous for vessels without the operational radar（）the estuary.