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Fluid Mechanics.—Centre of pressure on dams ; metacentre ; force of a jet of water; the water turbines ; lift and force pumps. Hydraulic gradient, loss of head due to resistances. A candidate in this subject will be required to present a certificate from the Principal of the institution attended that he has carried out a course of practical work of at least thirty hours' duration based on the above prescription and that his attendance and work have been satisfactory. Chemistry Physical properties of gases ; the laws of Boyle, Charles, and Avogadro ; solubility and diffusion of gases. Atomic theory; valency. Formulae and equations. Chemical equivalents. Compounds; chemical reactions and their representation by equations. Periodic classification of the elements. Oxygen and oxides ; oxidation and reduction. Acids, bases and salts. Solubility, crystallization and water of crystallization. Hydrogen. Water. Reduction by hydrogen. Carbon; oxides of carbon; carbonates and bi-carbonates. Chlorine ; hydrochloric acid ; chlorides ; potassium chlorate. Nitrogen; nitric acid; nitrates; ammonia, liquefaction of ammonia ; use of ammonia in refrigeration; ammonium salts. Sodium and potassium cyanide. Sulphur; sulphuretted hydrogen; carbon di-sulphide; sulphides; oxides of sulphur; sulphuric acid and its preparation; sulphates. Silica and silicates; the nature of glass and earthenware. Metals and non-metals. The occurrence, sources, and physical properties of sodium, calcium, magnesium, aluminium, zinc, iron, lead, copper. Their oxides and principal salts. Physico-chemical properties of cast iron, steel, wrought-iron, and the simple nonferrous alloys. Iron alloys. Elementary thermo-chemistry. Properties and uses of types of coal; coal-gas, producer gas, water-gas, carburettedwater gas. Bndothermic and exothermic reactions. Electrolysis; meaning of pH. Electrolysis of aqueous solutions and fused electrolytes. Metallic corrosion and its prevention. Protective coatings, paints, galvanizing and electro-deposited coatings. Natural water; impurities and their effects on boilers. Hardness in water, causes and removal. A candidate in this subject will be required to present a certificate from the Principal of the institution attended that he has carried out a course of practical work of at least thirty hours' duration based on the above prescription and that his attendance and work have been satisfactory. Drawing (a) Fundamental constructions in plane and solid geometry. Development of surfaces. Construction of conic sections, cycloid, involute, helix, and spiral, and their practical applications. Locus of a point in simple mechanisms. Elementary oblique, isometric and perspective projections. Conventional representation of screw threads. Drawing of and knowledge relating to standard parts such as nuts, bolts, rivets, and keys.

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