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  Item Reference: KCLCAL-1888-1889-769

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ENGINEERING DEPARTMENT 76 XI --iHetallurgp THIRD YEAR What do you know regarding the tendency of cast metals to have crystalline structure State which of the metals in ordinary use can be made by fusion to unite into homogeneous mass and which cannot Give the conditions which are most favourable and those which are least favourable to the production of homo- geneity Comment on the practical importance of this matter Explain how you would test for tensile strength bar 10 in long and 97 in in diameter What points would you specially mention in your report From the following data plot the curve and indicate the elastic limit Loads in lbs Extrusion in inches 000 0Ό13 10 000 020 15 000 0Ό26 20 000 ן ן 03 25 000 0-211 30 000 0-550 35 000 1Ί60 38 000 Broke at 2-590 Briefly state the principles on which the most important methods for extracting silver from lead are based State what you know as to the uses of Spiegel eisen and ferro-manganese in the manufacture of various kinds of steel including Hadfield's manganese steel What are the causes of the differences between white iron wrought iron grey iron and steel What element is it the presence of which in pig-iron determines the extent to which the carbon will be in the combined or in the uncombined condition Comment on the practical importance of this to ironfounders How is aluminium produced State what you know as to the latest advances in its manufacture
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