156
THE HONG KONG GOVERNMENT GAZETTE, MARCH 5, 1937.
30. Second Class Certificate: Syllabus of Ex- amination.
(1) A candidate for a Second Class Certificate, whether Ordinary or Motor, is required—
(a) to write legibly, spell correctly, and express himself, generally, in creditable English;
(b) to show sufficient knowledge of standard units includ- ing the metric system, etc., and of mathematics in dealing successfully with simple problems relating to mechanical principles, beams, safety and relief valves, consumption of fuel and stores, capacities of bunkers, tanks, etc., speed of vessels, strength of pipes and receivers subjected to internal pressure, stresses in shafting and other parts of the machinery; and also of the relations between mechanical, electrical and thermal units, conductivity, insulation, resistances, etc., in electrical engineering;
(c) to be familiar with the physical characteristics of the metals and other materials commonly used by sea-going Engineers;
(d) to have a creditable knowledge of the facts relating to steam, heat, combustion, and the formation of smoke;
(e) to understand the use, construction, and principles involved in the action of the pressure gauge, voltmeter, ammeter, thermometer, barometer, salinometer, and other meters commonly used by Engineers on board ship;
(f) to be able to state the causes, effects and usual remedies for incrustation and corrosion;
(g) to know how to make good the results to the machinery of ordinary wear and tear; how to test the fairness of shafting; how to correct defects due to corrosion, flaws or accident; and how a temporary or permanent repair could be effected in the event of derangement or total breakdown;
(h) to understand the construction of certrifugal, bucket, and force pumps, the principles on which they act, and the general requirements concerning bilge and ballast pumping systems;
(i) to understand the construction and working of steer- ing-engines and gears, electric light engines and dynamos, electric motors, refrigerating machinery, hydraulic machinery, and such internal combustion engines as are used to drive ships' launches, emergency and auxiliary machinery on board ship;
(j) to be able to apply the indicator, calculate the mean pressure and horse-power, and understand, generally, the fluctuation of pressure in the cylinder as shown by the diagrams obtained;
(k) to have a fair knowledge of the rudiments of pro- jection, and be able to make a dimensioned working drawing of some simple part of the machinery with which he ought to be familiar, or to complete and develop a given example,
(1) to understand the precautions to be taken against fire or explosions from oil or gas; fire detection; how to deal with fire should it break out; the action of mechanical and chemical fire extinguishers and other fire fighting appliances, respirators,