Class 4 (4th Engineer) SC&S 📅 Oct 2024

Exam Question

(a) Derive the formula for Admiralty Coefficient. (6)

(b) A ship travels 900 nautical miles at a speed of 12.5 knots and burns 150 t of fuel over the voyage. Estimate the distance the ship could travel at a speed of 13.5 knots on 250 t of fuel. (10)

Reference Answer

### Part (a): Derivation of the Admiralty Coefficient Formula
**1. Fundamental Principles:**
The Admiralty Coefficient (AC) is an empirical measure used to compare the propulsive efficiency of different ship hulls. It is derived from the fundamental principles of ship resistance, as established by Froude's Law of Comparison.
**2. Ship Resistance:**

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