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  Item Reference: KCLCAL-1886-1887-712

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714 APPLIED SCIENCES Select from the following colours those which are hot bleached by chlorine vermilion-carmine-madder-indigo -Prussian blue-ultramarine Give short description of the ammonia-soda process for making sodium carbonate XIII -flfotallurga THIRD YEAR In the Newcastle basin there are found both steam- coal and gas-coal How do you explain this What is the difference between these two coals Why cannot both be equally well used for the same purposes Account for the differences between gas-coke and oven- coke suitable for blast-furnace purposes Give the approximate composition of fire-clay and explain in what wrays it differs from ordinary clay What are the differences both chemical and physical between cast-iron and steel including mild-steel' What are the conditions favourable to the introduction of silicon into pig-iron Explain the advantages and dis- advantages attending the presence of silicon in metal to be used for making Bessemer steel δ iron castings How does malleability differ from ductility Compare the commoner metals in this respect What is the nature of the resultant compound when the following metals are melted together in the proportions given and cooled quickly slowly zinc f5 lead copper -f zinc tin -j3 lead lead bismuth tin Have any of the above products any use in the Arts If so what uses Name and describe the specimens on the table THIRD YEAR What are the most approved angles for the leading and following faces of turning tool for iron or steel
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