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(3) Inspection and maintenance of the ship and her equipment, eg. bulk- heads, double bottoms, deep tanks, bilges, pipelines, strums, rudder, anchors and cables and steering gear. Drainage of holds and tanks. Drydocking routine.
(4) Properties and uses of paints and other protective covering. Scaling and painting. Treatment of woodwork. Cement work.
(5) Indents and stores, Repair lists.
(6) Simple calculations of stresses in spans, derricks, topping lifts, etc, Strength of ropes, wire ropes and chains. Various types of ropes, wire ropes, slings and their uses. Purchases and power gained.
(7) Use and maintenance of cargo working gear and the organization of cargo work. A knowledge of relevant parts of the Factory Acts. General prin- ciples of cargo stowage and handling, eg, dunnaging, ventilation and slipping The carriage of special cargoes such as Refrigerated Cargoes, Steel Rails, Liquid in bulk, Deck Cargoes and Timber Deck Cargoes, Bulk stowage. The use of shifting boards. Separation. Precautions to be taken with solid ballast. Venti- lation of different type of cargoes. Sweat: cause and prevention.
(8) Given a cargo list, to slow a hold or holds, making a rough stowage plan, heving regard to stability, behaviour of vessel in a sea way, damage and contamination of cargo, and accessibility at optional ports of discharge,
21. Paper 6. (written).
Elementary Magnetism, Electricity and the Gyro Compass. (2 hours).
(1) Magnetism.
(2) A simple magnet. Poles of a magnet. The law of attraction and repulsion. The molecular theory of magnetism as applied to ferro- magnetic materials. The conception of magnetically "hard" and "soft" iron. The shape of the magnetic field round a magnet The reading of the terms Intensity of Magnetisation, Magnetic Susceptibility and Permeability. (No mathematical formulas will be required).
(b) The Earth's magnetic field. The Earth's magnetic poles. Magnetic equator. The Earth's total magnetic force. Angle for dip. Horizon Lal and vertical components. Magnetic variation. (No mathematical formulac will be required).
(c) The effect of constraining a compass needle to the horizontal plans. The effect of introducing a disturbing force into the vicinity of a com- pass needle.
The care and maintenance of different types of ship's compasses. (2) Electricity:
(a) A simple conception of the Blectronic Theory. Currear, difference of potential, resistance and their units. OHM's Law. Effect of an elec tric current (i) Heating effect. Power, The electric unit; (ii) Chemical ellect. Simple cells, primary and secondary; (ii) Magnetic effect. Field due to a current Field of a current carrying solecoid and the effect of introduction of ferro-magnetic material into such a feld. Magneto- striction.
(6) The Electric motor: Measuring instruments-moving coil and moving iron. Electro-magnetic induction. Movement of a conductor in a field. Variation in magnitude of a field. Effect of make and break of a cur- reat. Induction coil. Unit of Inductance. Dynamo principle-simple commulator.
(e) Electro-static field. Unit of capacity. Condenser or Capacitor.
(0) Fuses, switches and simple ships' circuits. Use of measuring instru-
ments. How to measure current and voltage.
(e) Principal symbols used in diagrams.
(3) Gyro-Compass.
Ex
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A simple noo-mathematical treatment of the following--
The principle of the Free Gyroscope. The effect of the earth's rotation. and drift. Precession. Gravity control. Damping,
22. Oral.
(1) (a) Shifting large spars and rigging sheers,
(0) The handling of heavy weights with special reference to strength of
gear used.
(e) Use and care of all deck and above deck appliances and fitting- winches, capstans, windlasses, emergency steering gear, and fittings used between anchor and cable locker," Hoisting in boats.
(2) Anchors-different kinds; advantages and disadvantages of each. Cables and their care. Preparations for sachocing. Operation of anchoring with single anchor and use of second anchor. Clearing a foul anchor. Moor- ing. Clearing a foul hawse. Anchoring in a tideway and in a confined space. Slipping a cable, To carry out so anchor with boala. Getting under way.
(3) (4) Coming alongside of a wharf, etc. Manoeuvring in rivers and harbours. Effects of current, wind, shallows and draught on manoeuvr- Ing.
(b) Management of steamships in stormy weather, Means to employ to keep a vessel, disabled of unmanageable, out of the trough of the sea and to lessen her lee drift.
(c) To take a cast of the deep sea load.
(4) (a) An outline knowledge of the regulations concerning Lifesaving
Appliances.
(b) Accidents, eg. collision, running aground, accidents to hatches, leaks, Bres and their treatment. Ruoning repairs. Handling a disabled ship.
(c) A practical knowledge of the screening of ship's navigation lights.
(d) Preparations for drydocking and undocking. Use of shores, bilge
blocks and bilge shores.
(5) Regulations for preventing collisions at sea, etc-as for paragraph 13 (5) (Oral: Second Mate).
(6) The examiner may ask the candidate questions arising out of the written work, if he deems it necessary, on account of weakness shown by the candidate.
23. Signals.
(1) To send and receive signals in-
(0) British Semaphore up to eight words per minuta,
(b) Morse Code by flash lamp up to six words per minute.
(c) International Code of Signals.
(2) The practical use of shipborne W/TD/F.
24. Paper 1. (written)
MASTER (FOBRIGN=GQING),
Practical Navigation. (3 hours).
(1) A short recapitulation paper in Navigation on the syllabus for Second Mate and First Mate which may include Chart Work and Pilonge.
(2) The Admiralty Method of Tidal Predictions and the use of Harmonic Constants. (Admiralty Tide Tables),
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