問題一覧
1
It is the point where the trimming moment is being taken
at tipping center
2
The inclination of the ship is termed as 'list' for this reason.
more cargo on starboard side
3
It must be known before the final displacement and final vertical position of vessel's center of gravity can be calculated.
lightweight and light vertical center of gravity
4
It is these factors that the amount of movement of vessel's center of gravity depends when shifting a weight within the ship.
its mass and the distance it is moved
5
Which of the following is lessened when the vessel has a list?
range of transverse stability
6
To calculate the vertical movement of vessel's center of gravity, where is the moment being taken for loading and discharging a weight?
keel only
7
That happens to the vessel's center of gravity when a weight is discharged from a vessel?
will move away from the position of the center of gravity of the mass discharged
8
It is the effect on drafts when you load at the center of flotation
both draft increases
9
It is where the listing moment is taken, when calculating the horizontal shift of vessel's center of gravity.
at centerline transversely
10
What happens to the vessel's center of gravity when a mass is added on to a ship?
will move towards the position of the center of gravity of the mass added
11
It is these factors that the amount of movement of vessel's center of gravity depends when loading and discharging weights within the ship.
the mass and distance relative to vessel's center of gravity and the keel
12
When a weight is lifted by the ship's derrick, from deck towards the lower hold, what will happen to the ship's center of gravity?
move higher from its initial position
13
It is directly affected when the tank is half-empty of liquid.
metacentric height
14
How can the center of gravity of the ship changes its position?
by loading to, discharging from, shifting of cargo anywhere in the ship only
15
When a ship is listed 10 degrees to starboard, which of the statement below is true?
the ship center of gravity will move to starboard, directly below the metacenter and above the center of buoyancy
16
It is what longitudinal statical stability is all about
the difference between drafts forward & aft
17
It is reduced when vessel's center of gravity moves horizontally.
righting lever
18
It is the location of the tipping center for longitudinal statical stability
Centeroid of water plane area
19
To calculate the vertical movement of vessel's center of gravity, where is the moment being taken for loading or discharging a weight?
center of gravity of the ship only
20
It is the quotient of trimming moment and final displacement.
final position of vessel's center of gravity from center of flotation
21
it is the main factor in the virtual rise of vessel's center of gravity
breadth of the slack tank
22
It is the effect on drafts when you load away from the center of flotation
both will decrease and the trim changes
23
These are the effect of fuel consumption during sea passage
decrease in metacentric height and ship's righting lever
24
It is the quotient of listing moment and final displacement.
final position of vessel's center of gravity from the centerline
25
When loading a weight in a position 2m above the keel and to 4m port side of centerline, what will be the movement of vessel's center of gravity if it has a KG of 5m²
vertically downward and to port side
26
It is the term used if draft forward is greater than after draft.
trimmed by the bow
27
These items contribute to the increase in the position of ship's center of gravity during sea passage,
fuel consumption and snow accretion
28
What is MCTC in longitudinal stability?
Moment to change the trim by one centimeter
29
Which of the following is increased when the vessel has a list?
metacentric height
30
What happens to the center of gravity of the mass when lifted by the ships derrick and is suspended at deck level?
move at the derrick's head
31
in longitudinal stability, It is the result when you shift a weight to forward
a change of trim
32
It is the effect of change of trim
forward & aft drafts changes
33
What are needed, in order to calculate the increase in draft of box shaped vessel due to list?
breadth, draft and angle of list
34
it is the term used if draft after is greater than draft forward
trimmed by the stern
35
Which of the following has greater free surface effect?
rectangular tank breadth
36
What is the implication of the increase in height of the vertical center of gravity of the ship?
reduction of transverse stability
37
It is these factors that the amount of transverse movement of vessel's center of gravity depends when shifting a weight within the ship.
the mass and the distance the mass is moved horizontally, and ship's displacement
38
It is the effect of the moving liquid in the tank
virtual rise of vessel's center of gravity
39
It is these factors that the amount of movement of vessel's center of gravity depends when loading or discharging a weight within the ship
the mass and distance relative to vessel's center of gravity
40
When a vessel 'list' to a small angle, the following points are on the same vertical line.
initial metacenter, new vessel's center of gravity, new vessel's center of buoyancy