Q5.

What measurement is known by the term

the commanding officer of the ship outlining the

necessary work to be done by the ship's force and by

the yard to prepare the ship for the inclining.

1.

Distance in feet from the keel to the

waterline

The results of the experiment are furnished to each

ship as a "booklet of inclining experiment data." This

2.

Distance from the waterline to the weather

booklet contains data on displacement, the center of

deck edge

gravity above the keel (KG), and overall stability for

the operating conditions of load. Detailed information

3.

Distance from the bow to the stern

on the inclining experiment can be obtained from

4.

Distance from the portside to the

starboard side of the ship

"Weights and Stability."

Q6.

Which of the following information is NOT

contained in the "booklet of inclining

experiment data?"

1.

Data on displacement

Q1.

Detailed information on the laws of

mathematics and physics used to determine

2.

The center of gravity above the keel

the buoyancy and stability of a ship are

3.

Reserve buoyancy

provided in *Naval Ships' Technical Manual*

4.

Overall stability

(*NSTM*), chapter 079, volume 1, and in

1.

True

2.

False

trigonometry used to determine stability and buoyancy

Q2.

Which of the following trigonometric

of a ship; and the effects of buoyancy, gravity, and

functions is NOT used for making

weight shifts on ship stability.

calculations to determine a ship's stability?

To analyze stability principles, you must be

1.

Cosine

familiar with the terms, definitions, and equations that

are used to express important relationships. These are

2.

Sine

listed below.

3.

Tangent

· G, the ship's center of gravity, is the point at which

4.

Cotangent

all weights of the ship may be considered to be

concentrated. The force of gravity is considered

Q3.

Which of the following terms best defines

as acting straight downward, through the center of

force multiplied by the distance from an axis

gravity, at right angles to the waterline.

about which you want to find its effect?

· B, the ship's center of buoyancy, is at the

geometric center of the ship's underwater hull.

1.

When a ship is at rest in calm water, the forces of

2.

B and G are equal and opposite, and the points B

3.

and G lie in the same vertical line. When the ship

is inclined, B and G move apart, since B moves

4.

off the ship's centerline as a result of the change

in the shape of the underwater hull.

Q4.

The volume of water that is moved by the hull

of a ship is known as "displacement."

· M, the ship's metacenter, is a point established

by the intersection of two successive lines of

1.

True

buoyant force as the ship heels through a very

2.

False

small angle.

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