Calendar: 1870-1871 Page 537

APPLIED SCIENCES 537 By what tests would you distinguish the compounds of sodium aluminum and magnesium when in solution Give an outline of the process of soda making How would you determine the percentage of soda in sample of soda ash Distinguish between cast iron and steel Give an account of steel making by cementation and by the Bes3emer process How would you distinguish iron from chromium and from manganese How is potassic permanganate obtained Explain how it may be used for determining iron quantitatively Under what circumstances is lead piping liable to be attacked by water How would you ascertain whether water contains lead Describe the method of smelting lead and the processes of extracting silver from it by Pattinson's plan and by cupellation -jHanufacturing art anU iHat incrg EERST YEAR How are hollow bricks made by machinery Do they possess any advantages over those which are made solid Give the process of manufacture of stained glass How is the pulp dried during its passage through the paper- making machine Describe the process of stereotyping Sketch and describe the different methods of inking the types in the printing machine What points are to be attended to in designing machines for making wire ropes Sketch and describe the method of cooling flour in its passage between the stones in the flour mill State the various angles of cutting tools for different materials Sketch and describe the different methods of cutting screws and what is the usual angle of the threads 10 Sketch and describe the machines for cutting key ways in wheels and axles