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seam 2
30問 • 2年前
  • Gabriel Bionat
    • 通報

    問題一覧

  • 1

    The frames of the ship prevent which stress?

    racking

  • 2

    What is a load line on a ships side is for?

    to prevent overloading

  • 3

    A ship is trimmed by the head when...

    Draught marks forad read 4m and 3m aft

  • 4

    Which one describe the point through which the whole weight of the body acts?

    Center of gravity

  • 5

    What is the definition of the Centre of Buoyancy?

    Buoyancy is an upward force equal on a floating object equal to the weight of water displaced by it

  • 6

    What is the definition of the Centre of Gravity?

    A point on the vessel where the forces of gravity act vertically downwards

  • 7

    What are the letters for the distance between the centre of gravity and the met-centre?

    GM

  • 8

    GZ is the name for?

    The righting lever

  • 9

    What are the three states of Equilibrium called?

    Stable, Unstable, Neutral

  • 10

    For a floating body, if the metacentre is above the centre of gravity, the equilibrium is called

    Stable

  • 11

    When a small angular displacement is given to a body, floating in a liquid, is starts oscillating about some point. This point is called

    Metacentre

  • 12

    The resultant upward thrust experienced by a body when immersed in the fluid

    Buoyancy

  • 13

    Select the true statements about NEUTRAL stability

    the center of gravity is at the same height as the Metacenter

  • 14

    Is the weight of water that displaces when it is floating, which in term is the weight of a ship (and its contents).

    Displacement

  • 15

    Is a measure of how much mass a ship is carrying or can safely carry, it does not include the weight of the ship.

    Dead Weight

  • 16

    The vertical distance measured from the waterline to the top of the deck plating at the side of deck amidships normally exposed to weather and sea.

    Freeboard

  • 17

    "Whenever a body is inundated in a liquid either entirely or to some degree, it is lightened or lifted by a power which is equivalent to the heaviness of liquid dislodged by the body". This standard was articulated by

    Archimedes

  • 18

    What is the result of a 'high metacentric height'?

    The vessel will roll violently

  • 19

    This table is found in the Stability manual onboard the vessel

    Hydrostatic Table

  • 20

    How are ship's stability characteristics affected by Parametric Rolling?

    By the constant change of underwater hull geometry as waves travel past the ship

  • 21

    Which of the following best describes permeability in relation to damaged stability on ships?

    The rate at which water can flow through openings or damaged areas of a ship

  • 22

    When a body is fully or partly immersed in a liquid, it undergoes an apparent loss in its weight due to:

    A. Decrease in its volume B. Decrease in the density of the body C. Upward thrust exerted by the liquid D. Decrease in its mass

  • 23

    Buoyant Force is equal to

    weight of the liquid displaced by the body

  • 24

    An object just floats in water. What happens if common salt is added into the water?

    The volume of the object immersed in the liquid decreases

  • 25

    On which of these factors, the buoyancy depends?

    Both a and b

  • 26

    A Floating body is in unstable equilibrium when

    G is above M

  • 27

    A slow and easy motion of a vessel in a seaway indicates:

    a low center of gravity

  • 28

    The frames of the ship prevent which stress?

    Racking

  • 29

    Your vessel is damaged and listing to port. The rolling period is long, and the vessel will occasionally assume a starboard list. Which action should you take FIRST?

    Press up a slack centerline double bottom tank

  • 30

    As Chief Engineer you should understand the fundamental principles of ship construction and theory and factors affecting trim and stability, including the concept of loll and its cause. An angle of loll is commonly caused by which of the following conditions?

    A negative GM

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    indigenous

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    Gabriel Bionat · 46問 · 2年前

    indigenous

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    46問 • 2年前
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    Gabriel Bionat · 34問 · 2年前

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    34問 • 2年前
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    Gabriel Bionat · 23問 · 2年前

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    23問 • 2年前
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    NAVI 6

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    Gabriel Bionat · 59問 · 2年前

    NAVI 6

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    59問 • 2年前
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    Gabriel Bionat · 35問 · 2年前

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    Gabriel Bionat · 57問 · 2年前

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    Gabriel Bionat · 49問 · 2年前

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    問題一覧

  • 1

    The frames of the ship prevent which stress?

    racking

  • 2

    What is a load line on a ships side is for?

    to prevent overloading

  • 3

    A ship is trimmed by the head when...

    Draught marks forad read 4m and 3m aft

  • 4

    Which one describe the point through which the whole weight of the body acts?

    Center of gravity

  • 5

    What is the definition of the Centre of Buoyancy?

    Buoyancy is an upward force equal on a floating object equal to the weight of water displaced by it

  • 6

    What is the definition of the Centre of Gravity?

    A point on the vessel where the forces of gravity act vertically downwards

  • 7

    What are the letters for the distance between the centre of gravity and the met-centre?

    GM

  • 8

    GZ is the name for?

    The righting lever

  • 9

    What are the three states of Equilibrium called?

    Stable, Unstable, Neutral

  • 10

    For a floating body, if the metacentre is above the centre of gravity, the equilibrium is called

    Stable

  • 11

    When a small angular displacement is given to a body, floating in a liquid, is starts oscillating about some point. This point is called

    Metacentre

  • 12

    The resultant upward thrust experienced by a body when immersed in the fluid

    Buoyancy

  • 13

    Select the true statements about NEUTRAL stability

    the center of gravity is at the same height as the Metacenter

  • 14

    Is the weight of water that displaces when it is floating, which in term is the weight of a ship (and its contents).

    Displacement

  • 15

    Is a measure of how much mass a ship is carrying or can safely carry, it does not include the weight of the ship.

    Dead Weight

  • 16

    The vertical distance measured from the waterline to the top of the deck plating at the side of deck amidships normally exposed to weather and sea.

    Freeboard

  • 17

    "Whenever a body is inundated in a liquid either entirely or to some degree, it is lightened or lifted by a power which is equivalent to the heaviness of liquid dislodged by the body". This standard was articulated by

    Archimedes

  • 18

    What is the result of a 'high metacentric height'?

    The vessel will roll violently

  • 19

    This table is found in the Stability manual onboard the vessel

    Hydrostatic Table

  • 20

    How are ship's stability characteristics affected by Parametric Rolling?

    By the constant change of underwater hull geometry as waves travel past the ship

  • 21

    Which of the following best describes permeability in relation to damaged stability on ships?

    The rate at which water can flow through openings or damaged areas of a ship

  • 22

    When a body is fully or partly immersed in a liquid, it undergoes an apparent loss in its weight due to:

    A. Decrease in its volume B. Decrease in the density of the body C. Upward thrust exerted by the liquid D. Decrease in its mass

  • 23

    Buoyant Force is equal to

    weight of the liquid displaced by the body

  • 24

    An object just floats in water. What happens if common salt is added into the water?

    The volume of the object immersed in the liquid decreases

  • 25

    On which of these factors, the buoyancy depends?

    Both a and b

  • 26

    A Floating body is in unstable equilibrium when

    G is above M

  • 27

    A slow and easy motion of a vessel in a seaway indicates:

    a low center of gravity

  • 28

    The frames of the ship prevent which stress?

    Racking

  • 29

    Your vessel is damaged and listing to port. The rolling period is long, and the vessel will occasionally assume a starboard list. Which action should you take FIRST?

    Press up a slack centerline double bottom tank

  • 30

    As Chief Engineer you should understand the fundamental principles of ship construction and theory and factors affecting trim and stability, including the concept of loll and its cause. An angle of loll is commonly caused by which of the following conditions?

    A negative GM