Class 4 (4th Engineer) SC&S 📅 Dec 2025

Exam Question

With regards to the metacentric height, which of the following statements is true?

(a) It is used to indicate the quality of initial stability.

(b) It is located below the center of buoyancy.

(d) Its determination is the objective of the inclining experiment.

Briefly justify your answer. (16)

Reference Answer

The correct statement is **(a) It is used to indicate the quality of initial stability.**
### Justification
#### 1. Fundamental Concept of Initial Stability
Initial stability refers to a vessel's tendency to return to its initial upright position after being heeled by a small external force (typically to angles less than 10-15 degrees). The Metacentric Height (GM) is the primary quantitative measure of this characteristic.

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