25. Paper 2 (written).
32
(Magnetic and Gyro Compass. (3 hours),
(This paper will require more detailed knowledge of the elementary
principles of Magnetism Than is required for First Mate).
(1) The inverse square law, simple problems involving unit poles. The field strength, magnetic moment of a magnet, the period of a suspended magnet vibrating in the earth's field.
(2) Magnetic Compass. The method of determination, and compensation by means of components, of the effects of the ship's magnetic field on the magnetic compass. The approximate Coefficients A, B, C. D and E and their use, Conditions which might produce Coefficients A and E. Constants Lanıbdı and Mu. The Ship's Multiplier. Methods of obtaining a table of deviations. Analysis of a table of deviations to obtain Approximate Coefficients. To determine the deviation caused by the ship's permanent magnetism and/or induced magnetism in vertical soft iron by means of observation taken in two widely separated Magnetic Latitudes.
(3) (2) General principles of Compass Correction and the method of
correction for Coefficients B, C and D.
(6) The cause and effect of retentive magnetism and Caussin error. (c) Siting of compasses with particular reference to the proximity of magnetic material and electrical appliances. Heeling Error, ita cause, cffects and method of correction. "Effect of healing" error magneta en soft iron correctors.
(4) (0) Gyro Compass. A fuller knowledge of the theory than thu required for First Mate, but mathematical proofs will not be required. (8) To include in addition to the above-Course and speed error. Correction for Latitude, Ballistic deflection and its relatiori to Course and Speed Error. Rolling Error and how it is minimized,
(c) The principal parts of a gyro compass and the repeating system. The more important fundamental differences in the construction of the better known types of gyro compasses and the methods used to eliminate or allow for the principal errors.
26. Paper 3. (written),
Ship Construction and Stability. (3 hours).
(1) A fuller knowledge of ship construction than is required for lower grades of certificates. The Scrieve Board and its uses. Beading Slab and methods of bending. General structure. Keels, framing, stem, stem frame and rudder post, transverse and longitudinal girders, centre through plates, keelson and intercostals, double bottoms, side stringers, shell plating, bulkheads, desp tanke, pillars, propeller brackets, ruddera. Superstructures. Masts and derricka. (2) Types of Vessels, eg. General traders and bulk oil carriers. Strength and construction in relation to their trade.
(3) Classification of ships. Surveys, General ideas of tonnage measure- ment. Freeboard and a general outline of conditions of assignment.
(4) Immediate treatment of accident damage-collision, bad weather. stranding. General ideas on welding in ship repair work. Drawing up of simple specifications. The direction of simple repairs,
(5) A fuller knowledge of Stability than is required for First Male Simple calculations involving volumes, moments and effects of free surface of liquids, (proofs of formulae will not be required). Effects of bilging ond flooding compartments, Permeability. Trim and Moment to change trim Stability and trim when grounding. The Inclining Experiment. Effect of beam and freeboard on stability. Practical operations to ensure ship stability at sea- Deck cargoes, homogeneous cargoes, suspended weights and cargoes liable to shift. Dangers of a ship with a heavy list and precautions when righting. Management of ballast tanks. Ballasting.
27. Paper 4, (written).
33
Shipmaster's Business. (2 hours).
(The legal knowledge required will not go beyond the outline of the Merchants Shipping Acts and Mercantile Law which a shipmaster must know in order to conduct the business of a ship).
(1) Registration of ships. The Certificate of Registry and its legal algni- ficance.
(2) Certificates and other Documents required to be carried on a ship, how they are obtained, and the period of their legal validity. Suez and Panama Canal Certificates,
(0) Engagement discharge and management of a ship's crew. MannİNg qualification. Ship's Articles of Agreement. Wages and other remuneration. National Insurance contributions, Discipline and treatment of offences. Fines and forfeitures, Deserters, deceased scamen, engagement of substitutes.
(4) The official log book and the law relating to entries.
(5) Crew accommodation.
(6) Hygiene of ships, living spaces, holds, etc. Water. Fresh and preserved food Procedure required on "board in cases of infectious diseases, illness or accident. Quarantine procedure. Fomigation.
(7) Entering and Clearing ship.
(8) Loadline marka and their general and seasonal use. Batrics and reports to be made respecting freeboard and draught.
(9) The safety of the ship, crew and passengers, Assistance of vessels in distress and salvage. Duties in case of collision and accident,
(10) The law relating to the reporting of ice and derelicts. Compulsory and Don-compulsory pilotage.
(11) The meaning of the terms “passenger ship" and "emigrant ship". ((12) A general knowledge of shipping practice and documents with particular reference to Charter Parties and Bills of Lading, and an understanding of their principal clauses, eg. Freight Deviation, Always Afloat Ice, Lay-days, Demur- rage, Despatch. Protests. Certificate of Seaworthiness. A simple knowledge of the law relating to carriage of cargo and the shipowners' liabilities and duties.
(3) A knowledge of the more important clauses contained in a Policy of Marine Insurance. The meaning of Average. Particular Average. General Average Procedure in the case of General" "Average. Procedure at a port of refuge. Lloyd's Agents,
28. Paper 3. (written).
Elementary Engineering and Electricity including Electronic Navigation Aids.
( hours). (1) Engineering.
(a) The meaning of the general engineering terms sensible heat, latent heal, saturated steam, super heated steam, work and power, horse power, propeller pitch, slip.
(0) A simple knowledge of the following-namely Types of marine boilers, coal and oil fired furnaces; Procedure for raising steam. The action of the reciprocating steam engine, turbine machinery and diesel engines. Procedure when warming up, turning, starting, stopping and reversing engines.
(The use of the condenser, evaporator and hot well Use of circulating.
air, food, bilge and ballast pumps, Valve chests,
(d) Fuel consumption and economical speeds, estimation of minimum fuel
consumption to complete a given voyage. Simple slip problems.
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