What Is Ballast Flashcards

1
Q

What is the primary function of ballast in marine vessels?

A

To provide stability and control the center of gravity.

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2
Q

True or False: Ballast can only be made from water.

A

False.

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3
Q

Fill in the blank: Ballast is used to counteract the effects of ________ forces acting on a vessel.

A

buoyant.

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4
Q

Which of the following is NOT a type of ballast? A) Water B) Rocks C) Fuel D) Sand

A

C) Fuel.

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5
Q

What is the term for the weight added to the bottom of a vessel to improve stability?

A

Ballast.

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6
Q

True or False: Ballast can affect the speed of a ship.

A

True.

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7
Q

What is ‘ballast water’?

A

Water taken on by a ship to provide stability, which can contain various organisms.

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8
Q

Fill in the blank: The process of adding or removing ballast to adjust a vessel’s weight is known as ________.

A

ballasting.

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9
Q

What are the environmental concerns associated with ballast water?

A

The introduction of invasive species into new ecosystems.

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10
Q

Which type of ballast is commonly used in modern ships?

A

Water ballast.

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11
Q

True or False: Ballast can be adjusted during a voyage to maintain optimal performance.

A

True.

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12
Q

What is the impact of improper ballast management?

A

It can lead to instability and increased risk of capsizing.

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13
Q

Fill in the blank: In rail transport, ballast refers to the ________ that supports the weight of the tracks.

A

gravel.

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14
Q

What is the difference between ‘permanent ballast’ and ‘temporary ballast’?

A

Permanent ballast is fixed and not removed, while temporary ballast can be added or removed as needed.

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15
Q

True or False: Ballast is only used in ships and boats.

A

False.

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16
Q

What role does ballast play in maintaining a vessel’s trim?

A

It helps to balance the weight distribution along the length of the vessel.

17
Q

Which of the following is a disadvantage of using solid ballast?

A

It can be heavy and difficult to move.

18
Q

Fill in the blank: The process of exchanging ballast water is often regulated to prevent ________ transfer.

A

species.

19
Q

What is the significance of the ‘ballast exchange’ procedure?

A

It helps to reduce the risk of introducing invasive species.

20
Q

True or False: Ballast is only relevant for large commercial vessels.

A

False.

21
Q

What is a common material used for solid ballast?

A

Concrete or lead.

22
Q

Fill in the blank: The effectiveness of ballast depends on its ________ relative to the vessel’s weight.

A

placement.

23
Q

What does the term ‘freeboard’ refer to in relation to ballast?

A

The distance from the waterline to the upper deck level.

24
Q

True or False: Ballast can help improve fuel efficiency in ships.

A

True.

25
Q

What is the primary purpose of ballast in aviation?

A

To adjust the weight and balance of an aircraft.

26
Q

Fill in the blank: In construction, ballast can refer to __________ used in the foundations of buildings.

A

aggregates.