increase their strength
provide drainage from the decks
relieve deck stress
All of the above
第1题:
Floors aboard ship are ______.
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 ship's ribs start
D.longitudinal angle bars fastened to a surface for strength
第2题:
In vessel construction,beams are transverse girders which provide support to ______.
A.Bulkheads
B.Deckhouse structures
C.Decks
D.Vertical frames
第3题:
Beams are cambered to ______.
A.increase their strength
B.provide drainage from the decks
C.relieve deck stress
D.All of the above
第4题:
第5题:
第6题:
Floors aboard ship are ______.
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
第7题:
______ is not a proper instruction for laying hatch beams.
A.to be laid on their sides
B.to be stood on edge close together
C.be lashed
D.be covered
第8题:
Deck beams on a vessel are generally spaced at equal intervals and run ______.
A.longitudinally
B.vertically
C.transversely
D.intermittently
第9题:
第10题:
also called decks
vertical transverse plates connecting the vertical keel with the margin plates
large beams fitted in various parts of the vessel for additional strength
found in passenger and berthing spaces only