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Questions and Answers
Which of the following best describes the metacentric height?
Which of the following best describes the metacentric height?
- The distance between the center of gravity and the center of buoyancy of a floating body
- The distance between the center of buoyancy and the metacenter of a floating body
- The distance between the center of gravity and the metacenter of a floating body (correct)
- The distance between the center of buoyancy and the center of gravity of a floating body
How does metacentric height affect the natural period of rolling of a hull?
How does metacentric height affect the natural period of rolling of a hull?
- Very large metacentric heights are associated with longer periods of roll
- Unknown effect of metacentric height on the period of roll
- Metacentric height has no effect on the period of roll
- Very large metacentric heights are associated with shorter periods of roll (correct)
What is considered ideal for passenger ships in terms of metacentric height?
What is considered ideal for passenger ships in terms of metacentric height?
- Metacentric height has no relevance for passenger ships
- A low metacentric height
- An excessively high metacentric height
- A sufficiently high but not excessively high metacentric height (correct)
What does a larger metacentric height imply?
What does a larger metacentric height imply?
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What does the apparatus shown in Fig. 1 consist of?
What does the apparatus shown in Fig. 1 consist of?
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Study Notes
Metacentric Height
- Metacentric height is a measure of a vessel's initial stability, representing the distance between the center of gravity and the metacenter.
- A larger metacentric height implies a higher stability and resistance to capsizing.
- In passenger ships, an ideal metacentric height is considered around 1-2 meters to provide a comfortable and stable ride.
Natural Period of Rolling
- The metacentric height affects the natural period of rolling, with a higher metacentric height resulting in a shorter period of rolling.
Fig. 1 Apparatus
- The apparatus shown in Fig. 1 consists of an inclining experiment setup, used to measure the metacentric height of a vessel.
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