stress plate
keel
rider plate
main beam
第1题：
The permanent magnetism of a vessel may change in strength due to ______.
A.the nature of the cargo being carried
B.changes in heading
C.major structural repair
D.All of the above
第2题：
______ may not justify detention．
A.significant areas of damage or corrosion
B.pitting of plating and associated stiffening in decks
C.pitting of hull affecting seaworthiness or strength to take local loads
D.the condition of such items as ladder ways，guard-rails，pipe coverings
第3题：
Of the following, the most important consideration for a tank vessel is ______.
A.GM
B.the vertical center of gravity
C.the longitudinal center of gravity
D.the stress on the hull
第4题：
boss plates
buckler plates
stiffeners
breast hooks
第5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6题：
The 1973 ABS Steel Vessel Rules，under which the PRESTIGE was built，did not include ______ requirements．
A.hull fatigue strength
B.longitudinal strength
C.buckling strength
D.yielding strength
第7题：
______ is not a longitudinal structural member．
A.sideshell
B.bottom shell plating
C.inner bottom plating
D.transverse bulkhead
第8题：
第9题：
On a vessel，the keel is the primary strength member of the lower hull form in which direction ________．
A.Transverse
B.Diagonal
C.Longitudinal
D.Vertical
第10题：
frames
joiners
longitudinals
knees