Calendar: 1855-1856 Page 375

APPLIED SCIENCES 371 What is the principle of the Dew-point Hygrometer State the difference between it and the Wet-bulb Hygrometer Explain the principle upon which the determination of Chemical Equivalent rests What are the essential parts of an Electrical Machine How does an insulated charged body affect conductors at distance Sketch Faraday's theory of Electrical Induction Upon what principle is the formation of Dew explained Under what circumstances does Dew form and what prevents its formation Explain the action of Voltameter IV -Ci tmuitn What are the impurities commonly met with in spring water State how they are usually detected What is the method of obtaining Sulphuric Acid on the large scale Describe its properties Mention the principal oxides of Chlorine Describe the mode of preparing the two which contain the largest proportion of Oxygen Give the properties of each What compounds does Fluorine form with Silicon How is Hydrofluoric Acid prepared Explain its action upon Glass and state the decomposition which the gaseous compound which is thus obtained experiences when dissolve in water Describe the preparation of the soluble salts of Baryta from the Sulphate How are the salts of Baryta distinguished from those of Strontia and Lime How is Cast Iron converted with Bar Iron What are the principal oxides of Iron How are the compounds of these oxides recognised Describe the mode of obtaining Mercury from its ore How are Calomel and Corrosive Sublimate obtained Give the composition of Cane Sugar What is the change which occurs when it is fermented Explain the conversion of Alcohol into Vinegar