701
THE HONG KONG GOVERNMENT GAZETTE, DECEMBER 24, 1930.
work. Inspection and maintenance of bulkheads, double bot- toms, deep tanks, rudders. Bottom painting. Drainage of holds and double bottom tanks. Inspection and maintenance of anchors and cables. Maintenance of holds with reference to cargo carrying. Spar ceilings, etc. Inspection and main- tenance of pumps, strums, roseboxes and bilges.
(c) Simple calculation of stresses in spans, derricks, top- ping lifts, etc. Strength of ropes, chains, slings, two slings at an angle, ctc. Purchases and power gained by purchases. (d) Cargo work---(The candidate should, where possible, illustrate his answers from his own experience.)
Stowage of cargo. General- stowage of bag cargoes, bales, casks, etc.
Ceilings
Bulk stowage. Partition and shifting boards and dunnage. Deck stowage. Possible damage and its
avoidance.
Good and bad stowage. Special cargoes--explosives, grain, timber, oil in bulk, steel rails, etc
Given a cargo list, to stow a hold or holds, making a rough cargo plan, with a view to stability of tender and stiff ships, damage and contamination, easy handling and possible optional ports of discharge.
Methods of ventilation of cargoes. Drainage of holds.
Closing of hatches. Cargo working gear--derricks and winches. Organisation of cargo work.
45. Paper 6. (Written.)
Meteorology. (2 hours.)
(a) The principles of the barometer. How to read it and reduce the readings to standard datum.
(b) How to observe the force and direction of the wind with no other instrument than the compass and use of the Beaufort scale.
(c) How to observe and log the state of sea and swell, weather and visibility by the International scales for the use of seamen.
(d) The principles and use of the thermometer, dry bulb, wet bulb and sea surface.
(e) Use of hydrometer.
(f) General knowledge of the wind and current systems of the oceans. How to deduce the set and drift of currents..
(g) The Laws of Storms. Buys' Ballot's Law. Rules for handling ships in tropical revolving storms. The seasons and localities of tropical revolving storms and their precursory signs.
(h) The Visual Storm Warning signals.
(i) The seven fundamental types of weather.
6) The elementary principles of synoptic charts, includ- ing a knowledge of how the atmospheric pressure distribu- tion and gradient is obtained. Principal cloud types.
(k) To draft a wireless weather report and how to decode a weather report made in the International Weather Code, the tables being provided.
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