the tanks that are particularly important from the point of view of trimming the vessel are
the trimming arm of a ship is the horizontal distance between the ____.
LCB and LCG
At the center line of the bottom structure is located the keel, which is reffered to as the backbone of the ship. the commonest form of keel and fitted in most ocean going vessels are called?
flat plate keel
the two points that act together to trim a ship are the
LCB and LCG
Where a ship is classed for the carriage of heavy, or ore cargoes, _______ framing is adopted for the double bottom
when a ships LCG is aft of her LCB, the vessel will
trim by the stern
the movement of waves along a ship causes fluctuations in water pressure on the plating, this tends to create an in-out movement known as
in heavy weather when the ship is heaving and pitching, the forward leaves and re enters the water with a
the difference between the initial trim and the trim after loading a vessel is known as the _____
change of trim
this is the main single criterion with reference to metals, it is a measure of the materials ability to withstand the loads upon it in service
the ship's tanks most effective for trimming are the
this is the ability of a material to undergo permanent changes in shape without rupture or loss of strength
the push or pull on a body in stability is traditionally called _____.
larger castings used in ship construction are made from carbon or carbon manganese steels. these large castings are mainly used for
the force that tends to cause carious parts of materials to slide over one another is termed
the greatest contribution to the longitudinal strength of the ships superstructure is provided by:
a vessel is in a listed condition when it is _____
inclined due to an off-center weight
the ____ framing of the shell plating consisting of vertical stiffeners, web frames which are attached by brackets to the deck beams and the floor structure are called
a flat keel construction that aids in the resistance of a vessel to roll and fitted along either side of the ship is called;
the movement of a liquid in a tank when a vessel inclines, causes an increase in ____?
natural rolling period
the horizontal platform which completes the enclosure of the hull and provide a solid working platform and acts as the watertight top cover to the hull structure
the edge of all hatch openings are framed by;
when the height of the metacenter has the same value as the height of the center of gravity, the metacentric height is equal to?
the vertical divisions arrange in the ships superstructure are known as the
this provide a means of transferring loads between decks and fastening together the structure in a vertical directions
to correct a vessel with unstable equilibrium, any of the following actions may be taken EXCEPT
pump out the double bottom tank
the terminating point of the forward shell plating is called
the bulbous bow fitted in an attempt to
reduce the ships resistance
_____ ensures adequate resistance to any pounding stresses which may occur and are fitted with solid plate floors at every frame space and a heavy centerline girder is fitted below each decks in the stern
the depth of the ship from the upper deck to the underside of the keel is called?
adding the transverse free surface correction to the uncorrected height of the center of gravity of a vessel yields?
transverse center of gravity
The center of buoyancy and the metacenter are in the line of action of the buoyant force_____.
at all times
the angle of maximum stability corresponds approximately to the angle of ______.
deck edge immersion
the immersed body of the ship forward of the parallel middle body is called?
a watertight compartment between the aftermost watertight bulkhead and the stern is called?
a watertight compartment between the foremost watertight bulkhead and the stern is called?
what is the principal danger from a liquid in a half full tank on board a vessel?
Loss of stability from free surface effects
the strake of side plating nearest to the deck is known as _____?
these run along the center line of the bottom plating of the ship and for the majority of merchant vessel is of flat plate construction.
Wen a wind force causes a vessel to heel to a static angle the ______.
righting moment is equal to the wind heeling moments
the region where the sheerstrake meets the deck plating is known as the _____?
progressive flooding on a vessel may be caused by ____?
a continual worsening of list or trim
in the transverse framing system, frame spacing is generally not more than _____ but is always reduced in the pounding region and in the peak tank regions
the most important factor in calculating the free surface constant of a tank carrying liquid is ?
your vessels draft forward is 10.8 meters aft 11.50 meters and mid 11.20 meters what stress affect your vessel
sagging (di sigurado) hogging ito
the forward perpendicular of a vessel is measured from
the foreside of the stem at summer loadline
the force representing the combined effect of two or more forces acting at a point is called
the after perpendicular is measured from
after the side of the sternpost
the vertical distance measured from the upper edge of the deckline to the waterline is called?
if the result of loading a vessel is an increase in the height of the center of gravity, there will always be an increase in _____.
gross tonnage is measured at ?
2.83 cubic meter per measurement tons
if you increase the number of slack tanks, it will have the effect of raising the
virtual height of the center of gravity
the fundamental measure of the amount or quantity of matter in a body is called mass
the initial stability of a vessel is most affected by
free surface in a compartment
aboard a vessel, dividing the sum of the transverse moment by the total weight yields the vessels
transverse position of the the center of gravity
keeping the draft at or below the load line mark will insure that the unit has adequate
the change in trim of a vessel may be found by
dividing the trimming moments by MTI
repairing damage to the hull at or above the waterline reduces the threat
continued progressive flooding
the difference between the starboard and port draft caused by shifting a weight transversely is
in which case may metacentric height be considered an indication of a vessels stability
for small angles of inclination
beams are cambered
to provide drainage from deck
a dog is a
device to force watertight door against the frame
when reading the statical curves, the _____ corresponds to the angle of deck immersion unless range is greater than 90 degrees.
angle of maximum list
a completely underhung type of rudder is the
a rudder with a horizontal break is the
topside icing decreases vessel stability because it reduces initial stability and _____.
is usually off center
a rudder with a blade full unbalanced is the
the rudder with a fixed butt is the
the rudder with a hinged flap or fin is the
the horizontal flat surfaces where the upper stock joins the rudder are the ______.
the distance between the upper edge of the decline and the waterline at any given moment is called
there are _____ permanent zones in a loading chart?
the distance between the upper edge of the deckline to the upper edge of the respective loadlines is known as ______
vessels are ballasted before departure to?
the vertical distance from the upper edge of the decline to the center of the disk of the loadline mark is known as _____.
the change of trim of a vessel may be found by
dividing the trimming moment by MTI
stowing small, durable packages or cargo items in spaces or voids between larger pieces is called
how is the test conducted on both the collision bulk head, as the forepeak bulkhead and the aft peak bulkhead
filling the peak tanks with water to loadline levels
the actual weight of a vessels cargo, ballast, fuel, oil, fresh water including her constant and expressed in tons is termed
if your vessel list from off-center loading of cargoes on deck, the _____
list should be easily removed
the numerous post fitted throughout the vessel their use is to give vertical support to girders, deck beams, and heavy concentrated load are called?
although a hold is full of cargo, any remaining space that could possibly fill with water in a casualty is known as ?
in the presence of external forces the center of buoyancy of an inclined vessel is vertically aligned with the_____
the stability which exist after the unintentional flooding of a compartment on a vessel is called
with no environmental forces acting on the vessel, the center of gravity of an inclines vessel is vertically aligned directly above the _____
center of buoyancy
in shipping the tendency of certain goods to self-destruct by spontaneous heating wasting, rotting, fermentation is called
inherent vice ganda
the measurement from the baseline to the summer loadline at the midship section is called