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

Exam Question

(a) What is the purpose of conducting an inclining experiment on a new vessel? (6)

(b) A mass of 6t is moved transversely through a certain distance on a ship of 4300t displacement, when the deflection of an 11m pendulum is found to be 120mm. The transverse meta-centre is 7.25 m above the keel and KG 5.46m. Find the distance through which the mass of 6t was moved. (10)

Reference Answer

### Part (a): Purpose of an Inclining Experiment
The primary purpose of conducting an inclining experiment is to determine, with a high degree of accuracy, the lightship characteristics of a new or significantly modified vessel. These characteristics are fundamental to all subsequent stability calculations throughout the vessel's operational life.
The specific objectives are:
1. **Determination of Lightship Centre of Gravity (KG):**

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