seam

Hernandez, Remefil H. · 12問 · 2年前

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The Metacenter remains in the same position for angles of inclination up to about from the vertical.

15 degrees

What is the abbreviated representation of the vessel's baseline?

It is equal to the product of the Righting Arm and the vessel's displacement(W).

righting moment

It is the abbreviated representation of the Center of Gravity when measured from port or starboard of the fore and aft centerline of the vessel.

TCG

The sum of the weights of everything in the vessel such as structure, stores, fuel, water, and cargo is the vessel's weight and can be considered as one force acting downward through a single point, called the ______.

center of gravity

When a weight is moved off the centre line, the centre of gravity will also move and the vessel will now be inclined at some angle called_____.

list

An equilibrium in which the vessel when inclined tends to return to her vertical position and her CG (G) is below the Metacenter(M).

stable equilibrium

The other name of the Righting Moment or Stability Moment.

moment of statistical stability

It is sometimes known as the "tipping center" since it is the point about which a floating body such as ship pivots or trims.

center of floatation

It is the ability of a vessel to resist and recover from heeling over.

transverse stability

It may be regarded as a type of longitudinal list.

trim

It is the lateral or side to side bodily motion of a vessel in waves.

swaying

It refers to the intersection of the line of force through the CB when the vessel is upright and the line of force of CB when the vessel is inclined at small angle.

metacenter

What refers to the inclination of the vessel due to wind-heeling moments?

heeling

It is the separation between the line of force through B and the line of force through G.

righting lever

It refers to the geometric center of the underwater volume of a floating vessel.

center of buoyancy

It is the weight of the water displaced by the floating vessel which equals to the weigh of the vessel itself.

weight displacement

What principle states that when a body is wholly or partially submerged in the water, it experiences an upthrust called buoyancy force equal to the mass of the water displaced?

Archimedes’ principle

It refers to the point at which all the vertically upward-acting forces of the water concentrate.

center of buoyancy

It is expressed as a ratio of the weight of a substance for a unit of volume.

density

One metric tonne of fresh water has a volume of_______.

1 cubic meter

It is a measure of the ship's ability to float.

buoyancy

When her starboard and port sides rise and fall with the waves, the vessel is rolling or motion about the vesse longitudinal axis.

rolling

When her stem and stern rise and fall with the waves, the vessel is pitching or motion about the transverse axis.

pitching

When her bow is pushed to starboard and then to port, the vessel is yawing or motior about the vessel's vertical axis.

yawing

When the whole ship rises and falls back into a trough, she is heaving or the vertic bodily motion of the vessel.

heaving

When the ship is pushed forward by the waves and sinks back into a trough, she is surging or longitudinal bodily motion.

surging

When the whole ship moves bodily to starboard and then to port, she is swaying or lateral, side to side bodiny motion.

swaying

possesses positive stability at small angle of inclination.

stable

there is no tendency for the vessel to incline. No upsetting moment for small angle of inclination.

neutral

there is no upsetting moment for small angle of inclination.

unstable

_____ is the vessel's ability to return to an upright position after being heeled by an external

stability

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