Class 2 (2nd Engineer) SC&S 📅 Jan 2024

Exam Question

(a) What is meant by the Admiralty Coefficient and the Fuel Coefficient? (6)

(b) A rectangular watertight bulkhead 9 m high and 14.5 m wide has sea water on both sides, the height of water on one side being four times that on the other side. The resultant centre of pressure is 7m from the top of the bulkhead. Calculate: (10)

(i) the depths of water

(ii) the resultant load on the bulkhead

Reference Answer

The Admiralty Coefficient (C) is a method for estimating the propulsion power needed for a newly built ship. It's considered relatively constant for a given ship design. The formula is:
$$C=\frac{\Delta^{2/3}\times V^3}{BP}$$
Where:
C = Admiralty Coefficient

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