Q2. a) Explain the concept of metacentric height (GM) and its significance in ship stability. (4)
b) Differentiate between initial stability and overall stability. How are they assessed during ship design? (4)
c) Discuss the effect of free surface in tanks on the stability of a ship. How can this effect be minimized? (4)
d) Explain the criteria for determining a ship’s intact stability according to the International Maritime Organization (IMO) regulations. (4)
Q1. a) Explain the six types of ship motions along different axes. Discuss the causes of these motions and their impact on the vessel’s stability and performance. (8)
b) Discuss the methods employed to reduce these motions and enhance the vessel’s stability and comfort. (8)
Q2. Explain the GZ (Righting Arm) curve used in ship stability. Discuss its significance, the information that can be obtained from the curve, and its role in assessing a ship’s stability under various conditions. (16)
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