Exam Question
(a) What are the various Static stresses that act on a vessel at rest in still water? Explain with the aid of sketches. (10)
(b) Give examples for dynamic stresses on a vessel? (6)
Class 4 (4th Engineer)
SC&S
📅 Apr 2025
Reference Answer
### (a) Static Stresses on a Vessel in Still Water
Static stresses are those that act on a vessel when it is at rest in calm, still water. They arise primarily from the distribution of the vessel's weight and the buoyant forces supporting it.
#### 1. Longitudinal Bending Stresses (Hogging and Sagging)
These are the most significant static stresses, acting along the length of the ship. They are caused by the non-uniform distribution of weight (machinery, cargo, superstructure) and buoyancy along the ship's length.
Static stresses are those that act on a vessel when it is at rest in calm, still water. They arise primarily from the distribution of the vessel's weight and the buoyant forces supporting it.
#### 1. Longitudinal Bending Stresses (Hogging and Sagging)
These are the most significant static stresses, acting along the length of the ship. They are caused by the non-uniform distribution of weight (machinery, cargo, superstructure) and buoyancy along the ship's length.
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