Calendar: 1884-1885 Page 677

APPLIED SCIENCES 671 What is the breaking strain of bolt in in diameter screwed with Whit vorth thread Show an adaptation of change wheels to our slotting machine table by which it may be used for circular dividing Sketch the construction of Clement's driver Show its action and describe its advantages When self-acting lathe is found to be turning taper describe how to proceed to remedy the defect Describe an arrangement for adapting self-acting lathe to turn taper work SECOND YEAR Give the points to be attended to in drawing out chip- ping chisel Describe the process of hardening and tempering What are the points to be attended to in preparing flat drill and the properties of twist drill in comparison What is the speed of cut in turning cast iron and what is the result of using too high speed Give the change wheels for feed of 55 to the inch with leading screw of to the inch י Describe the process of turning ball in metal about inches diameter Sketch the section of inch bolt showing the pitch angle and depth of the screw thread FIRST YEAR Describe the process of sharpening and setting handsaw Describe the working parts of carpenter's chisel in good condition with the angles of the facets and the method of producing them straight and fair Sketch one end of Queen post roof principal showing the stump tennons and bolt and strap fastenings Give sketch of panel door showing the tennons and hauncheons used in construction