Calendar: 1871-1872 Page 540

540 APPLIED SCIENCES Cljemtstrg Mention the chief properties of oil of vitriol and state how its strength can be readily ascertained Give an outline of the process by which phosphorus is obtained Describe the application of the process of dialysis for the purpose of obtaining an aqueous solution of silica How is Bessemer steel manufactured Explain the chemi- cal principles of the process From what source is boracic acid obtained and in what branches of industry is it chiefly employed Mention the constituents of common clay What material must be added to enable it to melt into glassy substance at high temperature What volume of air would he rendered unfit for respiration by the combustion of cubic foot of marsh-gas Explain the meaning of the terms allotropy" and dimorphism give examples Describe the processes employed for preparing nitric acid in 111 laboratory and on the large scale point out the reasons for any uiffercnces which exist between them jfflanufnrturing &rt atrtJ iMacijincrp SECOND YEAR Sketch and describe the lift suction and force pumps Sketch and describe the various kinds of steam boilers Sketch and describe the different kinds of riveted joints Give some of the points to be attended to in the construction and working of boilers lor the prevention of explosions Sketch and describe the methods of filling boiler while under steam Describe the action of the Field tubes י for boilers Explain the action of the crank In what position should the cranks of pair of engines be put with regard to each other for the smooth working of the engines