Frage 1
Frage
Reserve buoyancy is __________.
Antworten
-
the watertight portion of a vessel above the waterline
-
also called GM
-
the void portion of the ship below the waterline which is enclosed and watertight
-
affected by the number of transverse watertight bulkheads
Frage 2
Frage
A vessel is tender if cargo weight is __________.
Antworten
-
concentrated high and the double bottoms empty
-
concentrated low and the double bottoms empty
-
evenly distributed vertically with the double bottoms full
-
concentrated and with the double bottoms full
Frage 3
Frage
The purpose of the inclining experiment is to __________.
Antworten
-
determine the lightweight center of gravity location
-
determine the location of the metacenter
-
verify the hydrostatic data
-
verify data in the vessel's operating manual
Frage 4
Frage
Metacentric height is an indication of a vessel's stability __________.
Antworten
-
for small angles of inclination
-
for all angles of inclination
-
for large angles of inclination
-
all of the above
Frage 5
Frage
Transverse stability calculations require the use of __________.
Antworten
-
hydrostatic curves
-
hog or sag calculations or tables
-
general arrangement plans
-
cross-sectional views of the vessel
Frage 6
Frage
Which statement is true regarding the free surface effect?
Antworten
-
It decreases at increased angles of heel due to pocketing when a tank is 90% full.
-
It increases in direct proportion to the length of the tank times the breadth squared.
-
It decreases in direct proportion to increasing specific gravity of the liquid in the tank.
-
In practice, the correction is considered to be a virtual reduction of KG.
Frage 7
Frage
Which will be a result of removing on-deck containers?
Frage 8
Frage
In order to minimize the effects of a tender vessel, when carrying a cargo of lumber, you should __________.
Antworten
-
place the heaviest woods in the lower holds
-
maximize your deck load
-
distribute lumber so that those stowing most compactly per unit of weight are in the upper holds
-
keep the vessel's frame spaces free from lumber
Frage 9
Frage
Which is an indication of reserve buoyancy?
Antworten
-
Freeboard
-
Metacentric height
-
Righting moment
-
Rolling period
Frage 10
Frage
Which action will affect the trim of a vessel?
Frage 11
Frage
If a vessel is sagging, what kind of stress is placed on the sheer strake?
Antworten
-
Compression
-
Tension
-
Thrust
-
Racking
Frage 12
Frage
What will happen when cargo is shifted from the main deck into the lower hold of a vessel?
Frage 13
Frage
How do you improve a vessel’s stability?
Antworten
-
Keep ballast water tank fulll
-
Increase the free surface effect of liquid storage tanks
-
Keep fuel tanks at least half full
-
Keep at least one fuel tank empty for slops
Frage 14
Frage
With regards to metacentric height, which of the following statement is true?
Antworten
-
It is used to indicate the quality of initial stability.
-
It is located below the center of buoyancy.
-
It is measured vertically above the center of buoyancy.
-
Its determination is the objective of the inclining experiment.
Frage 15
Frage
A vessel should normally behave as is all of its weight is acting downward through the center of gravity and all of its support is acting upward through the_____________.
Antworten
-
center of buoyancy
-
keel
-
tipping center
-
amidships section
Frage 16
Frage
Which of the listed initials is used to represent the indicator of initial stability?
Frage 17
Frage
The quality of initial stability is indicated by _______________.
Antworten
-
GM
-
KM
-
Deck load
-
Maximum allowed KG
Frage 18
Frage
A stiff wind has caused a difference to occur between the port and starboard drafts. What do you call this condition?
Frage 19
Frage
Pitching is angular motion of the vessel about which axis?
Antworten
-
Transverse
-
Longitudinal
-
Vertical
-
Centerline
Frage 20
Frage
Yawing is the angular motion of the vessel about what axis?
Antworten
-
Vertical
-
Longitudinal
-
Transverse
-
Centerline
Frage 21
Frage
Pitching is the rising and falling motion of the bow of a ship oscillating about what axis?
Antworten
-
Transverse
-
Longitudinal
-
Vertical
-
Centerline
Frage 22
Frage
The value of the maximum righting arm is dependent upon the position of the center of buoyancy and the _____________.
Antworten
-
vertical location of the center of gravity
-
longitudinal center of gravity
-
transverse center of gravity
-
downflooding angle
Frage 23
Frage
What is the stability term for the distance between the center of gravity (G) to the Metacenter (M)?
Antworten
-
Metacentri height
-
Metacentric radius
-
Height of the metacenter
-
Righting arm
Frage 24
Frage
What is termed as horizontal fore and aft motion of a vessel while underway?
Frage 25
Frage
What do you call the angular movement of a vessel about a horizontal line drawn from its bow to its stern?
Antworten
-
Rolling
-
Pitching
-
Heaving
-
Swaying
Frage 26
Frage
How can generally improve the vessel’s stability in a hazardous situation?
Antworten
-
Ballasting appropriate port or starboard deep tanks
-
Pumping double bottoms to the forepeak
-
transferring ballast athwartships
-
deballasting double bottoms
Frage 27
Frage
When flooding occurs in a damaged vessel, what happened to the reserve buoyancy?
Antworten
-
Decrease
-
Remains the same
-
Increase
-
Shifts to the low side
Frage 28
Frage
While on a voyage, the vessel's master observed that the vessel touched bottom, what should he immediately do?
Frage 29
Frage
Many uninspected vessels require load lines to indicate the maximum ___________.
Antworten
-
amidship's draft to which a vessel can be lawfully submerged
-
reserve buoyancy under any condition
-
angle of reduced freeboard for subdivision calculations
-
freeboard for the light ship displacement
Frage 30
Frage
The construction of vessel made of steel should have a grade in accordance with what guidelines?
Frage 31
Frage
The construction of vessel made of steel should have a grade in accordance with the ____________.
Frage 32
Frage
What is the purpose of swash bulkheads?
Antworten
-
Reduce liquid movement and surging within a tank
-
Separate cargoes in a common tank
-
Used whenever the 'gray' water drain system connection is located in a bulkhead
-
Restrict flooding within a tank
Frage 33
Frage
The inclining experiment conducted on a merchant ship is the method for determining the exact location of the ______________.
Antworten
-
position of the ship’s center of gravity
-
ship’s displacement in seawater
-
position of the ship’s center of buoyancy
-
position of the ship’smetacenter
Frage 34
Frage
What do you call a vessel having a concentration of weight toward the top of the vessel?
Antworten
-
Tender
-
Stiff
-
Stiffbuoyant
-
Neutral
Frage 35
Frage
Angular motion about the vertical axis of a vessel is known as ________.
Frage 36
Frage
What effect will transferring fuel oil from #1P double bottom to #3P double bottom have on the trim of a vessel?
Antworten
-
The forward draft will decrease.
-
The mean draft will increase.
-
The mean draft will decrease.
-
The after draft will decrease.
Frage 37
Frage
Which of the listed conditions will occur to the ship’s center of gravity if 200 tons of steel is transferred to the ship’s cargo from shore side?
Antworten
-
The center of gravity will be lowered.
-
The reserve buoyancy will rise.
-
The center of gravity will remain in the same position.
-
The reserve buoyancy will remain the same.
Frage 38
Frage
What is the usual effect of moving weight from low in the vessel to above the main deck?
Antworten
-
The stability is decreased.
-
The stability is increased.
-
The draft is increased.
-
The reserve buoyancy is decreased.
Frage 39
Frage
What is the usual effect of moving weight from the main deck to a position lower in the vessel?
Antworten
-
The stability of the vessel is increased.
-
The trim of the vessel is increase.
-
The stability of the vessel is significantly decreased.
-
The vessel will list in proportion to the volume of the cargo shifted.
Frage 40
Frage
The reserve buoyancy of a ship consists of ________________.
Antworten
-
the part of the enclosed and watertight portion of a vessel above the waterline
-
the void portion of the ship below the waterline which is enclosed and watertight
-
all cofferdams, double bottoms, and wing tanks that are slack
-
the percentage of the volume of a compartment which can be occupied by water if flooded
Frage 41
Frage
What do you call a distance between the bottom of the hull and the waterline?
Antworten
-
Draft
-
Tonnage
-
Reserve buoyancy
-
Freeboard
Frage 42
Frage
Rolling is the angular motion of the vessel about what axis?
Antworten
-
Longitudinal
-
Transverse
-
Vertical
-
Centerline
Frage 43
Frage
What is termed as the difference between the initial trim of a vessel and the trim after a change in load has occurred?
Antworten
-
Change of trim
-
Trim
-
Final trim
-
Change of draft
Frage 44
Frage
Reserve buoyancy is the _________________.
Antworten
-
volume of intact space above the waterline
-
unoccupied space below the waterline
-
excess of the buoyant force over gravitational force
-
difference between buoyancy in salt and fresh waters
Frage 45
Frage
When is adverse effect due to free surface become apparent?
Antworten
-
When a portion of liquid is removed from a full tank
-
When the vessel is trimmed by the stern
-
When the vessel’s draft is decreased exposing more surface area to the wind and current
-
When the vessel’s draft is increased, thus increasing the vessel’s wetted surface area
Frage 46
Frage
What is the condition of a vessel trimmed down by the bow?
Frage 47
Frage
The difference between the initial trim of a vessel and the trim after a change in load has occurred is known as _____________.
Antworten
-
change of trim
-
trim
-
final trim
-
change of draft
Frage 48
Frage
The factor contributing to the greatest effect on the ship’s period of roll is the ____________.
Antworten
-
vertical weight distribution
-
length of KB
-
virtual rise in the center of gravity
-
moment to trim 1 inch (MT 1)
Frage 49
Frage
Longitudinal stability indicates the tendency of a ship to resist a ________.
Frage 50
Frage
The angular movement of a vessel about a horizontal line drawn from its bow to its stern is _______________.
Antworten
-
rolling
-
Pitching
-
heaving
-
swaying
Frage 51
Frage
You may improve a vessel’s stability by _______________.
Antworten
-
keeping double-bottom fuel tanks topped off
-
increasing the free surface effect of liquid storage tanks
-
keeping fuel tanks at least half full
-
keeping at least one fuel tank empty for slops
Frage 52
Frage
Adverse effect due to free surface will become apparent when _____________.
Antworten
-
a portion of liquid is removed from a full tank
-
the vessel is trimmed by the stern
-
the vessel’s draft is decreased exposing more surface area to the wind and current
-
the vessel’s draft is increased, thus increasing the vessel’s wetted surface area
Frage 53
Frage
The reserve buoyancy of a vessel varies directly with changed in the vessel’s_____.
Antworten
-
freeboard
-
free surface
-
rolling period
-
none of the above
Frage 54
Frage
Pitching is angular motion of the vessel about which axis?
Antworten
-
Transverse
-
Longitudinal
-
Vertical
-
Centerline
Frage 55
Frage
Flooding of any compartment in a ship, resulting in a serious loss of reserve buoyancy, will always ________________.
Frage 56
Frage
Angular motion about the vertical axis of a vessel is known as ________.
Frage 57
Frage
Yawing is the angular motion of the vessel about what axis?
Antworten
-
Vertical
-
Longitudinal
-
Transverse
-
Centerline
Frage 58
Frage
The reserve buoyancy of a ship consists of ________________.
Antworten
-
the part of the enclosed and watertight portion of a vessel above the waterline
-
the void portion of the ship below the waterline which is enclosed and watertight
-
all cofferdams, double bottoms, and wing tanks that are slack
-
the percentage of the volume of a compartment which can be occupied by water if flooded
Frage 59
Frage
Reserve buoyancy is the _________________.
Antworten
-
volume of intact space above the waterline
-
unoccupied space below the waterline
-
excess of the buoyant force over gravitational force
-
difference between buoyancy in salt and fresh waters
Frage 60
Frage
When flooding occurs in a damaged vessel, reserve buoyancy _____________.
Antworten
-
decrease
-
remains the same
-
increase
-
shifts to the low side
Frage 61
Frage
A vessel should normally behave as is all of its weight is acting downward through the center of gravity and all of its support is acting upward through the ___________________.
Antworten
-
center of buoyancy
-
keel
-
tipping center
-
amidships section
Frage 62
Frage
The center of volume of the immersed portion of the vessel is the _________________.
Antworten
-
center of buoyancy
-
center of floatation
-
metacentric height
-
center of gravity
Frage 63
Frage
Which of the listed initials is used to represent the indicator of initial stability?
Frage 64
Frage
The quality of initial stability is indicated by _______________.
Antworten
-
GM
-
KM
-
Deck load
-
Maximum allowed KG
Frage 65
Frage
In small angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and though the _____________.
Antworten
-
metacenter
-
center of gravity
-
center of floatation
-
metacentric height
Frage 66
Frage
With regards to metacentric height, which of the following statement is true?
Antworten
-
It is used to indicate the quality of initial stability.
-
It is located below the center of buoyancy.
-
It is measured vertically above the center of buoyancy.
-
Its determination is the objective of the inclining experiment.
Frage 67
Frage
The stability term for the distance between the center of gravity (G) to the Metacenter (M), when small angle stability applies is known as the ________________.
Antworten
-
metacentri height
-
metacentric radius
-
height of the metacenter
-
righting arm
Frage 68
Frage
The value of the maximum righting arm is dependent upon the position of the center of buoyancy and the _____________.
Antworten
-
vertical location of the center of gravity
-
longitudinal center of gravity
-
transverse center of gravity
-
downflooding angle
Frage 69
Frage
The water in which a vessel floats provides vertical upward support. The point through which this support is assumed to act is known as the center of _______________.
Antworten
-
buoyancy
-
effort
-
flotation
-
gravity
Frage 70
Frage
In the absence of external forces, the center of gravity of a floating vessel is located directly above the _______________.
Frage 71
Frage
Which abbreviation represents the height of the center of buoyancy?
Frage 72
Frage
The purpose of the vessels “inclining experiment” is to _____________.
Antworten
-
determine the position of the lightship center of gravity
-
determine the location of the metacenter
-
verify the hydrostatic data
-
verify data in the vessel’s operating manual
Frage 73
Frage
Stability is determined principally by the relationship of the center of gravity and the __________.
Antworten
-
center of buoyancy
-
aft perpendicular
-
keel
-
center of flotation
Frage 74
Frage
The inclining experiment conducted on a merchant ship is the method for determining the exact location of the ______________.
Antworten
-
position of the ship’s center of gravity
-
ship’s displacement in seawater
-
position of the ship’s center of buoyancy
-
position of the ship’smetacenter
Frage 75
Frage
Any single ship’s compartment sustaining partial flooding with free communication to the sea will _________.
Antworten
-
seriously decrease stability
-
increase reserve buoyancy
-
decrease the free surface effect
-
result in the ship’s sinking
Frage 76
Frage
Horizontal fore and aft motion of a vessel while underway is called ________.
Frage 77
Frage
Rolling is the angular motion of the vessel about what axis?
Antworten
-
Longitudinal
-
Transverse
-
Vertical
-
Centerline
Frage 78
Frage
Vessel bilge keels are designed primarily to __________.
Antworten
-
assist in reducing rolling
-
improve vessel steering response
-
reinforce the bilge knuckle in way of double bottom tanks
-
provide strengthening of the bilge plating through the mid-body
Frage 79
Frage
Pitching is the rising and falling motion of the bow of a ship oscillating about what axis?
Antworten
-
Transverse
-
Longitudinal
-
Vertical
-
Centerline
Frage 80
Frage
A vessel having a concentration of weight toward the top of the vessel is said to be ___________.
Antworten
-
tender
-
stiff
-
stiffbuoyant
-
neutral
Frage 81
Frage
What is the usual effect of moving weight from low in the vessel to above the main deck?
Antworten
-
The stability is decreased.
-
The stability is increased.
-
The draft is increased.
-
The reserve buoyancy is decreased.
Frage 82
Frage
What is the usual effect of moving weight from the main deck to a position lower in the vessel?
Antworten
-
The stability of the vessel is increased.
-
The trim of the vessel is increase.
-
The stability of the vessel is significantly decreased.
-
The vessel will list in proportion to the volume of the cargo shifted.
Frage 83
Frage
You can generally improve the vessel’s stability in a hazardous situation by _________.
Antworten
-
ballasting appropriate port or starboard deep tanks
-
pumping double bottoms to the forepeak
-
transferring ballast athwartships
-
deballasting double bottoms
Frage 84
Frage
Which of the listed conditions will occur to the ship’s center of gravity if 200 tons of steel is transferred to the ship’s cargo from shore side?
Antworten
-
The center of gravity will be lowered.
-
The reserve buoyancy will rise.
-
The center of gravity will remain in the same position.
-
The reserve buoyancy will remain the same.
Frage 85
Frage
If fuel oil is burned from only the starboard tanks, the ship will _________.
Antworten
-
list to port
-
go down by the head
-
list to starboard
-
trim by the stern
Frage 86
Frage
A vessel trimmed down by the bow has ______________.
Frage 87
Frage
A stiff wind has caused a difference to occur between the port and starboard drafts. This condition is known as _________.
Frage 88
Frage
What effect will transferring fuel oil from #1P double bottom to #3P double bottom have on the trim of a vessel?
Antworten
-
The forward draft will decrease.
-
The mean draft will increase.
-
The mean draft will decrease.
-
The after draft will decrease.
Frage 89
Frage
The distance between the bottom of the hull and the waterline is called _______.
Antworten
-
draft
-
tonnage
-
reserve buoyancy
-
freeboard
Frage 90
Frage
For an upright vessel, draft is the vertical distance between the keel and the ____________.
Antworten
-
waterline
-
freeboard deck
-
Plimsoll mark
-
amidships section
Frage 91
Frage
You may improve a vessel’s stability by ______________.
Antworten
-
keeping the fuel tanks topped off
-
increasing the free surface effect
-
keeping the fuel tanks at least half full
-
keeping at least one fuel tank empty for slops
Frage 92
Frage
Reducing the free surface of a liquid within a tank has the effect of lowering the ___________.
Frage 93
Frage
Many uninspected vessels require load lines to indicate the maximum ___________.
Antworten
-
amidship's draft to which a vessel can be lawfully submerged
-
reserve buoyancy under any condition
-
angle of reduced freeboard for subdivision calculations
-
freeboard for the light ship displacement