COMPETENCE 11

50問 • 2年前

Peter j Zuniega

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問題一覧

A vessel would be referred to as "tender" when the weight of the cargo is __________.

concentrated high and the double bottoms are empty

GM is a measure of______.

The initial stability of the vessel

What will happen when cargo is shifted from the main deck into the lower hold of a vessel?

The GM will increase.

A negative metacentric height __________.

should always be immediately corrected

On a tanker vessel, what is the required combined capacity of the inert gas generating system as compared to the total capacity of all the cargo pumps which can be operated simultaneously?

1.25

Each inert gas system must be designed to supply the cargo tank with a gas, or mixture of gases, that has an oxygen content by volume of _____.

5% or less

What is the required gas supply capacity of an inert gas system?

125% of cargo pump capacity

The difference between the initial trim of a vessel and the trim after anew load condition is known as ____________.

change of trim

Static water pressure of a hull of a ship is greatest at the _____.

Keel

When securing the operation of an inert gas system the final step should be _____.

Secure the salt water supply to the scrubber

On a tanker vessel, what is the required combined capacity of the inert gas generating system as compared to the total capacity of all the cargo pumps which can be operated simultaneously?

1.25

Each inert gas system must be designed to supply the cargo tank with a gas, or mixture of gases, that has an oxygen content by volume of _____.

5% or less

What is the required gas supply capacity of an inert gas system?

125% of cargo pump capacity

Each vessel designed to carry more than 49 passengers must have _____.

A collision bulkhead

Static water pressure of a hull of a ship is greatest at the _____.

Keel

When securing the operation of an inert gas system the final step should be _____.

Secure the salt water supply to the scrubber

An inert gas system incorporating a separately fired inert gas generator shall be provided with visual and audible alarms to indicate failure of the power supply to the generator, the automatic control system and _____.

Insufficient fuel supply

Which of the following methods is used to supply inert gas from a flue gas system to the cargo tanks?

High capacity fan

The component in an inert gas system use for cleaning the gas of solid and sulfur combustion products, while simultaneously cooling the inert gas, is called the _____.

Scrubber

f a vessel loses its reserve buoyancy, it will ________________.

most likely sink

The purpose of the deck seal in an inner gas system is to prevent _____.

Flow reversal of tank vapors into the machinery space

A vessel which is subjected to hogging _____.

Has its main deck plating under tensile stress.

Excessive recirculation of inert gas is _____.

Undesirable and it may lead to high oxygen content of the inert gas

Which of the following methods of finished applications is/are considered to be satisfactory for resisting corrosion? I. Electroplating with cadmium II Sherardizing III. Galvanizing

I, II & III

Where are self‐closing doors required on a vessel?

in each stair tower

Yawing is the angular motion of the vessel about what axis?

Vertical

Which of the listed functions is the purpose of a gas scrubber in an inert gas generation system?

Cools the inert gas

The purpose of swash bulkheads is to _____.

Reduce liquid movement and surging within a tank

When a vessel is inclined, the tendency for it to return to its original position is caused by the _______________.

movement of the center of buoyancy toward the low side of the vessel

Penetrations and openings in watertight bulkheads in a vessel of less than 100 gross tons must _____.

Be kept as high and as far inboard as practicable.

The result of a blow delivered by a heavy sea causing rapid vibrations of the elastic portions of the ships hull is identified as _____.

Pounding

The double bottom in a vessel is a space comprised of _____.

Compartments between the inner and outer bottoms

Which of the following describes the purpose of a striker or doubler plate?

Provides landing surface of the sounding bob of a tank sounding tape

What standard mathematical formula is commonly used to calculate a vessels waterplane area for stability purposes?

Simpson Rule

Angular motion about the vertical axis of a vessel is known as _____________.

yaw

The part of deck machinery that is known as the bitter end, is the _____________.

end of anchor chain fastened to the vessel

A vessel's stability normally increases when tanks are ballasted because the vessel's______.

center of gravity is lowered

The volume of all watertight enclosed spaces above water line is called_________.

reserved bouyancy

Which statement is TRUE of a stiff vessel?

She will have a large metacentric height.

Addition of weight to a vessel will ALWAYS __________.

reduce reserve buoyancy

In regards to the center of bouyancy, which of the following statement is correct?

It is located in the same position regardless of displacement

A continual change in the list, or trim of any floating MODU indicates______________ .

progressive flooding

Where should you pay particular attention to be able to maintain adequate stability in loading deck cargo?

The vertical distribution of the deck cargo

Which factor has the greatest effect on the value of the free surface correction?

The width of the tank

The tendency of a ship to resist a change in trim is call_______.

longitudinal stability

When making a turn (course change) on most merchant ships, the vessel will heel outwards if __________.

G is above the center of lateral resistance

An intact bouyancy means________.

an intact space below the flooded area

The difference between the initial trim of a vessel and the trim after anew load condition is known as ____________.

change of trim

An inert gas system is designed to reduce the possibility of tank explosion by _____.

Reducing the oxygen concentration below levels necessary for combustion

Which of the following conditions will result in an automatic shut down of the flue gas inert gas system?

High temperature gas discharge from inert gas blowers

COMPETENCE 1