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

Exam Question

(a) What are the different types of stern used in ship construction? (6)

(b) A ship consumes 360 t of fuel, stores and water when moving from sea water of 1.025 t/m3 into fresh water of 1.000t/m3and on arrival it is found that the draught has remained constant. Calculate the displacement in sea water (10)

Reference Answer

### (a) Different Types of Stern Used in Ship Construction
The stern is the rearmost part of a ship or boat's hull. Its design is critical for hydrodynamic efficiency, seakeeping, structural integrity, and the arrangement of propulsion and steering gear. The primary types are as follows:
**1. Cruiser Stern**
* **Description:** This stern has a continuous, curved profile extending from the main deck down to the waterline and below. It is rounded in both plan and profile view, ending in a fin-like extension of the keel that supports the rudder.

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