A.also called decks
B.vertical transverse plates connecting the vertical keel with the margin plates
C.large beams fitted in various parts of the vessel for additional strength
D.found in passenger and berthing spaces only
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A.frames to which the tank top and bottom shell are fastened on a double bottomed ship
B.transverse members of the ships frame which support the decks
C.longitudinal beams in the extreme bottom of a ship from which the ships ribs start
D.longitudinal angle bars fastened to a surface for strength
A.floors
B.intercostals
C.stringers
D.tank top supports
A.prevent stress concentration in the bulwark
B.permit easy jettison of deck cargo in an emergency
C.provide opening through the bulwarks for mooring lines
D.allow water shipped on deck to flow off rapidly
A.oil from flowing out of the tank vent
B.air from entering the tank vent
C.vapors from leaving the tank vent
D.flames on deck from entering the tank vent
A.any certificated tankerman
B.the master of the vessel
C.the officer of the watch
D.the person designated as person in charge
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Full details of all lights and fog signals are shown on（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Which of the following is not a form of precipitation?（）
In the Northern hemisphere northerly winds may cause temperature（）.
ECDIS must be able to perform all of the following EXCEPT（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
The dew point temperature is（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
（）is where the crew eat their meals.
What is it called when it is possible to ignite the vapour above the oil?（）